Sakaguchi, Naoki
Current rating: 1493
Record: 67-64-8 (GP) / 12-29-4 (professional)
- 2003
- 2004
- 2007
- 2008
- 2009
- 2010
- 2011
- 2012
- 2015
- 2016
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 517 | Ueda, Tomoki (1500) | Draw 1-1 | 01494 |
| 2sealed | 604 | Shinoda, Kazuki (1500) | Lost 0-2 | -181476 |
| 3sealed | 1096 | Nishimoto, Takuya (1656) | Won 2-1 | +211497 |
| 4sealed | 844 | Ehara, Makoto (1396) | Won 2-1 | +171514 |
| 5sealed | 586 | Hattori, Yutaka (1435) | Won 2-1 | +161530 |
| 6sealed | 368 | Lee, Gil-Hwan (1541) | Lost 1-2 | -181512 |
| 7sealed | 571 | Nakagawa, Hirofumi (1453) | Lost 1-2 | -191493 |
| top | average opponent: 1497record: 3-3-1 | new rating: 1493 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 683 | Nishimura, Tatsuya (1541) | Lost 1-2 | -181514 |
| 2standard | 725 | Sekimoto, Yasunari (1483) | Won 2-0 | +181532 |
| 3standard | 933 | Yamamoto, Tsuyoshi (1521) | Lost 0-2 | -181514 |
| 4standard | 892 | Hasaba, Kenji (1431) | Lost 1-2 | -201494 |
| top | average opponent: 1494record: 1-3 | new rating: 1494 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 145 | Nishimura, Masateru (1572) | Lost 1-2 | -151421 |
| 4sealed | 277 | Yamauchi, Takashi (1459) | Won 2-0 | +181439 |
| 5sealed | 115 | Takenaka, Susumu (1450) | Won 2-0 | +191458 |
| 6sealed | 106 | Okamura, Ryoma (1646) | Won 2-0 | +211479 |
| 7sealed | 63 | Tsubouchi, Tomoya (1714) | Won 2-1 | +221501 |
| 8sealed | 24 | Beppu, Takashi (1593) | Lost 0-2 | -161485 |
| 9sealed | 94 | Yamane, Yoshiyuki (1556) | Won 2-0 | +191504 |
| 10draft | 4 | Nishiyama, Takashi (1600) | Lost 1-2 | -161488 |
| 11draft | 26 | Hung, Juo Wen (1533) | Lost 1-2 | -171471 |
| 13draft | 18 | Nagai, Mamoru (1740) | Won 2-1 | +231494 |
| 14draft | 138 | Suzuki, Kiyofumi (1535) | Won 2-0 | +181512 |
| 15draft | 93 | Yagi, Hiroyuki (1616) | Won 2-0 | +201532 |
| top | average opponent: 1584record: 8-4 | new rating: 1532 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 222 | Kobayashi, Shougo (1405) | Draw 1-1 | -11453 |
| 3standard | 322 | Michibata, Tatsuya (1522) | Lost 1-2 | -171436 |
| top | average opponent: 1463record: 0-1-1 | new rating: 1436 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 13 | Hirabayashi, Kazuya (1814) | Lost 0-2 | -121459 |
| 3standard | 188 | Lee, Chia (1580) | Won 2-1 | +201479 |
| 4standard | 168 | Yokoyama, Shigehisa (1636) | Won 2-1 | +211500 |
| 5standard | 177 | Kadooka, Toshiyuki (1833) | Lost 1-2 | -121488 |
| 6standard | 200 | Isayama, Yusuke (1524) | Lost 0-2 | -171471 |
| 7standard | 224 | Haratake, Noriyuki (1435) | Won 2-1 | +171488 |
| 8standard | 140 | Sasamoto, Yuko (1412) | Lost 0-2 | -201468 |
| 9standard | 137 | Hassaku, Jinpei (1656) | Lost 1-2 | -141454 |
| top | average opponent: 1611record: 3-5 | new rating: 1454 | ||
| Pro Tour Nagoya 2011 (Scars block) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 153 | Ravitz, Joshua (1816) | Won 2-0 | +241463 |
| 2block | 7 | Ishimura, Shintaro (2022) | Lost 1-2 | -91454 |
| 3block | 61 | Rovny, Robert (1496) | Lost 0-2 | -171437 |
| 4block | 110 | Juza, Martin (2016) | Lost 0-2 | -81429 |
| 5block | 156 | Kuo, Tzu-Ching (1801) | Draw 1-1 | +61435 |
| 6draft | 147 | Kuo, Tzu-Ching (1794) | Won 2-1 | +241459 |
| 7draft | 36 | Chan, Sze Hang (1716) | Lost 0-2 | -131446 |
| 8draft | 49 | Sperling, Matthew (1844) | Won 2-0 | +251471 |
| top | average opponent: 1813record: 3-4-1 | new rating: 1471 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 49 | Hirosawa, Yuuta (1724) | Lost 0-2 | -141447 |
| 3extended | 238 | Hayashi, Yuusuke (1500) | Won 2-1 | +191466 |
| 4extended | 148 | Tanahashi, Masayasu (1796) | Lost 1-2 | -121454 |
| 5extended | 212 | Miyashita, Kazuki (1592) | Lost 1-2 | -151439 |
| top | average opponent: 1653record: 1-3 | new rating: 1439 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 23 | Onoda, Hiroshi (1471) | Lost 0-2 | -191489 |
| 4standard | 205 | Hirabayashi, Kazuya (1829) | Draw 1-1 | +61495 |
| 5standard | 197 | Mizobuchi, Yuuji (1576) | Lost 0-2 | -171478 |
| 6standard | 266 | Suzuki, Naoko (1499) | Lost 0-2 | -171461 |
| top | average opponent: 1594record: 0-3-1 | new rating: 1461 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 30 | Yokoyama, Shouta (1693) | Won 2-0 | +221507 |
| 4extended | 21 | Fukutani, Yuushou (1504) | Lost 0-2 | -181489 |
| 5extended | 105 | Kibler, Brian (1882) | Won 2-0 | +251514 |
| 6extended | 71 | Juza, Martin (1838) | Lost 1-2 | -121502 |
| 7extended | 108 | Sasagawa, Tomohide (1659) | Won 2-1 | +201522 |
| 8extended | 102 | Fukuta, Shingo (1698) | Lost 1-2 | -141508 |
| top | average opponent: 1712record: 3-3 | new rating: 1508 | ||
| 2009 World Championship (mixed) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 187 | Nakano, Yoshitaka (1921) | Won 2-0 | +261497 |
| 2standard | 96 | Soto, Cesar (1518) | Won 2-1 | +181515 |
| 3standard | 49 | Tong, Wu (1540) | Won 2-1 | +191534 |
| 4standard | 11 | Reitbauer, David (1864) | Lost 1-2 | -121522 |
| 5standard | 53 | Locatelli, Simone (1671) | Lost 0-2 | -161506 |
| 6standard | 60 | Thaler, Sebastian (1864) | Won 2-0 | +251531 |
| 7draft | 72 | Nagadowski, Przemyslaw (1564) | Lost 1-2 | -181513 |
| 8draft | 61 | Nakamura, Hajime (1812) | Lost 1-2 | -121501 |
| 9draft | 105 | Liin, Vahur-Peeter (1686) | Lost 0-2 | -151486 |
| 10draft | 117 | Csomos, Janos (1494) | Won 2-0 | +181504 |
| 11draft | 73 | Takahashi, Yuta (1879) | Lost 1-2 | -111493 |
| 12draft | 110 | Andersen, Rune Martens (1714) | Won 2-1 | +221515 |
| 13extended | 99 | Gardner, Daniel J [ENG] (1674) | Draw 1-1 | +21517 |
| 14extended | 99 | Moschini, Esteban (1563) | Lost 1-2 | -171500 |
| 15extended | 116 | Trajcevski, Vladimir (1494) | Lost 1-2 | -181482 |
| 16extended | 126 | Griffin, Matthew [NZL] (1519) | Draw 1-1 | +11483 |
| 17extended | 132 | Pearce, Remi (1477) | Won 2-1 | +181501 |
| 18extended | 117 | Aguado, Saul (1648) | Lost 1-2 | -161485 |
| top | average opponent: 1661record: 7-9-2 | new rating: 1485 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 87 | Hagiwara, Genta (1564) | Lost 0-2 | -161425 |
| 3sealed | 127 | Kobara, Shinji (1549) | Won 2-0 | +201445 |
| 4sealed | 103 | Kanada, Daisuke (1515) | Lost 1-2 | -171428 |
| 5sealed | 176 | Kanno, Masayoshi (1572) | Won 2-1 | +211449 |
| 6sealed | 131 | Tagawa, Takashi (1526) | Won 2-0 | +191468 |
| 7sealed | 87 | Kimura, Yoshihiro (1562) | Won 2-1 | +201488 |
| 8sealed | 77 | Juumonji, Tarou (1562) | Lost 1-2 | -171471 |
| top | average opponent: 1550record: 4-3 | new rating: 1471 | ||
| Pro Tour Austin 2009 (extended) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 197 | Bland, Richard (1750) | Draw 1-1 | +41515 |
| 2extended | 103 | Nakajima, Chikara (1798) | Lost 1-2 | -131502 |
| 3extended | 154 | Andriopoulos, Nikos (1636) | Lost 1-2 | -151487 |
| 4extended | 184 | Calafell, Joel (1828) | Lost 1-2 | -121475 |
| 5extended | 194 | Privalov, Alexander (1599) | Lost 0-2 | -161459 |
| 6draft | 23 | Pagliai, Daniele (1435) | Lost 0-2 | -181441 |
| top | average opponent: 1674record: 0-5-1 | new rating: 1441 | ||
| Pro Tour Honolulu 2009 (Alara block) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 45 | Limbert, Travis (1464) | Lost 1-2 | -201588 |
| 2block | 158 | Sakai, Yoshitoki (1579) | Lost 1-2 | -191569 |
| 3block | 162 | Yukuhiro, Ken (1649) | Lost 0-2 | -161553 |
| 4block | 181 | Zappaterra, Pietro (1442) | Won 2-1 | +161569 |
| 5block | 178 | Visconti, Tom (1455) | Lost 1-2 | -201549 |
| 6draft | 92 | Parra Trujillo, Rafael (1477) | Lost 1-2 | -201529 |
| 8draft | 135 | Horden, Stuart (1504) | Lost 1-2 | -181511 |
| top | average opponent: 1510record: 1-6 | new rating: 1511 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1618 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 6 | Ootake, Masanori (1515) | Won 2-1 | +161634 |
| 3extended | 12 | Sawade, Makoto (1507) | Lost 0-2 | -201614 |
| 4extended | 143 | Sugimura, Yoshiyasu (1500) | Won 2-0 | +161630 |
| 5extended | 109 | Ueno, Yoshiyuki (1537) | Draw 1-1 | -21628 |
| 6extended | 86 | Maegawa, Tooru (1528) | Lost 0-2 | -201608 |
| top | average opponent: 1517record: 2-2-1 | new rating: 1608 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1628 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 41 | Okuda, Masateru (1446) | Won 2-0 | +151643 |
| 3sealed | 13 | Tominaga, Mario (1702) | Won 2-0 | +191662 |
| 4sealed | 45 | Kanno, Masashi (1563) | Lost 0-2 | -201642 |
| 5sealed | 96 | Saitou, Kotatsu (1564) | Won 2-1 | +171659 |
| 6sealed | 195 | Izumi, Kimiaki (1607) | Lost 0-2 | -191640 |
| 7sealed | 103 | Tsukagoshi, Tadaki (1417) | Lost 1-2 | -221618 |
| top | average opponent: 1550record: 3-3 | new rating: 1618 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 26 | Sutou, Takuo (1661) | Won 2-0 | +201563 |
| 4block | 7 | Matsumoto, Masataka (1597) | Won 2-1 | +191582 |
| 5block | 27 | Yokoi, Masaki (1703) | Won 2-0 | +201602 |
| 6block | 5 | Mizutani, Naoto (1572) | Won 2-1 | +171619 |
| 7block | 6 | Miyanishi, Youhei (1649) | Won 2-0 | +191638 |
| 8block | 2 | Yamamoto, Kentaro (1703) | Won 2-0 | +191657 |
| 9block | 2 | Tanahashi, Masayasu (1647) | Lost 1-2 | -181639 |
| 10block | 4 | Yoshimori, Sho (1567) | Lost 1-2 | -191620 |
| 11block | 13 | Nagashima, Makoto (1674) | Won 2-1 | +191639 |
| 12block | 7 | Kanazawa, Ayanobu (1687) | Won 2-1 | +191658 |
| 13block | 7 | Kurihara, Shingou (1991) | Lost 0-2 | -131645 |
| 14block | 11 | Lee, Ji-Hoon (1692) | Lost 1-2 | -171628 |
| 15block | 7 | Shiozu, Ryouma (1822) | ID | 01628 |
| top | average opponent: 1689record: 8-4-1 | new rating: 1628 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 121 | Kjellberg, Magnus (1486) | Won 2-0 | +161619 |
| 3extended | 44 | Hagenauer, Florian (1517) | Lost 0-2 | -201599 |
| 4extended | 170 | Makuch, Michal (1617) | Lost 0-2 | -181581 |
| 5extended | 197 | Massat, Nicolas (1711) | Lost 0-2 | -151566 |
| 6extended | 179 | Grimmer, Jasper (1485) | Draw 1-1 | -21564 |
| 7extended | 166 | Strnad, Jarda (1481) | Won 2-1 | +171581 |
| 8extended | 130 | Kraft, Lukas (1581) | Lost 0-2 | -181563 |
| 9extended | 119 | Catana, Ciprian (1480) | Lost 1-2 | -201543 |
| top | average opponent: 1545record: 2-5-1 | new rating: 1543 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 53 | Tomioka, Takahiro (1541) | Lost 1-2 | -171485 |
| 3standard | 233 | Shiga, Yuuta (1553) | Won 2-0 | +191504 |
| 4standard | 204 | Nakamura, Yuichiro (1618) | Won 2-1 | +201524 |
| 5standard | 92 | Ishibashi, Satoshi (1586) | Won 2-0 | +191543 |
| 6standard | 61 | Komuro, Shuu (1933) | Won 2-1 | +251568 |
| 7standard | 35 | Sasahara, Yasufumi (1688) | Lost 0-2 | -161552 |
| 8standard | 55 | Miura, Tadayuki (1413) | Won 2-0 | +161568 |
| 9standard | 132 | Shimizu, Naoki (1703) | Won 2-1 | +201588 |
| 10standard | 59 | Takesue, Chikara (1695) | Won 2-0 | +201608 |
| 11standard | 2 | Saito, Tomoharu (1963) | Lost 0-2 | -121596 |
| 12standard | 50 | Tamura, Ryo (1651) | Won 2-1 | +191615 |
| 13standard | 14 | Yamaoka, Naoki (1627) | Lost 1-2 | -181597 |
| 14standard | 8 | Okamoto, Jin (1896) | Lost 0-2 | -121585 |
| 15standard | 34 | Chiba, Akio (1595) | Won 2-0 | +181603 |
| 16standard | 2 | Hirashima, Yuutarou (1475) | ID | 01603 |
| top | average opponent: 1662record: 9-5-1 | new rating: 1603 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 14 | Yasukawa, Kazuhide (1591) | Lost 0-2 | -151420 |
| 3sealed | 96 | Tanaka, Eiji (1400) | Draw 1-1 | 01420 |
| 4sealed | 117 | Wen, Yuning (1503) | Draw 1-1 | +11421 |
| 5sealed | 124 | Kurakami, Shun (1648) | Won 2-1 | +231444 |
| 6sealed | 100 | Kushigami, Yasuhiro (1529) | Won 2-0 | +191463 |
| 7sealed | 68 | Yamada, Chiaki (1557) | Won 2-0 | +201483 |
| 8sealed | 70 | Taniguchi, Yuusuke (1548) | Won 2-1 | +191502 |
| top | average opponent: 1539record: 4-1-2 | new rating: 1502 | ||
| Pro Tour Valencia 2007 (extended) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 80 | Jones, Josh (1482) | Won 2-1 | +181519 |
| 2extended | 81 | DeTora, Melissa (1778) | Lost 0-2 | -131506 |
| 3extended | 153 | Kiwanont, Sukhum (1625) | Lost 0-2 | -161490 |
| 4extended | 129 | Stringer, Jay (1455) | Lost 0-2 | -191471 |
| 5extended | 164 | Jackson, Jeremy (1458) | Lost 1-2 | -181453 |
| 6extended | 171 | Krastin, Christian (1489) | Lost 1-2 | -181435 |
| top | average opponent: 1548record: 1-5 | new rating: 1435 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 188 | Tanaka, Toshinori (1466) | Won 2-0 | +171497 |
| 2standard | 102 | Takeda, Hiroki (1687) | Lost 0-2 | -141483 |
| 3standard | 272 | Ikenishi, Yoshinobu (1497) | Won 2-0 | +181501 |
| 4standard | 234 | Yoshida, Shinsuke (1464) | Won 2-0 | +171518 |
| 5standard | 161 | Aritaka, Ryouichi (1503) | Lost 0-2 | -181500 |
| 6standard | 188 | Mori, Takashi(Osaka) (1517) | Draw 1-1 | 01500 |
| 7standard | 168 | Kodera, Ryouta (1504) | Won 2-0 | +181518 |
| 8standard | 119 | Nakamura, Masaya (1565) | Lost 1-2 | -171501 |
| top | average opponent: 1525record: 4-3-1 | new rating: 1501 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 39 | Asari, Kouzou (1534) | Lost 0-2 | -181515 |
| 3sealed | 202 | Murayama, Yoshiyuki (1605) | Lost 1-2 | -161499 |
| 4sealed | 244 | Yamamoto, Yusuke (1413) | Lost 0-2 | -191480 |
| top | average opponent: 1517record: 0-3 | new rating: 1480 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 230 | Shiba, Norihito (1419) | Won 2-0 | +161516 |
| 3standard | 104 | Miyaoka, Hiroyuki (1504) | Won 2-0 | +181534 |
| 4standard | 87 | Suginaka, Takaaki (1451) | Won 2-0 | +171551 |
| 5standard | 2 | Nakano, Yoshitaka (1776) | Won 2-1 | +221573 |
| 6standard | 7 | Yamashita, Hiroki (1502) | Lost 1-2 | -201553 |
| 7standard | 77 | Hirayama, Daisuke (1539) | Won 2-1 | +181571 |
| 8standard | 29 | Inoue, Yu (1557) | Lost 1-2 | -181553 |
| 9standard | 50 | Wada, Yuta (1473) | Lost 0-2 | -201533 |
| top | average opponent: 1527record: 5-3 | new rating: 1533 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 195 | Hirata, Tatsuya (1500) | Won 2-0 | +181518 |
| 2block | 180 | Inao, Sumihiro (1518) | Won 2-0 | +181536 |
| 3block | 71 | Uchida, Takuya (1603) | Lost 0-2 | -171519 |
| 4block | 147 | Ohtsuji, Akio (1523) | Won 2-1 | +181537 |
| 5block | 96 | Ishii, Taisuke (1585) | Won 2-0 | +191556 |
| 6block | 86 | Satou, Yuuryou (1548) | Lost 1-2 | -181538 |
| 7block | 109 | Nagase, Shougo (1464) | Won 2-0 | +171555 |
| 8block | 69 | Abe, Satoshi (1551) | Lost 0-2 | -181537 |
| 9block | 123 | Noguchi, Keita (1556) | Lost 0-2 | -181519 |
| 10block | 121 | Tanaka, Yoshimitsu (1454) | Won 2-0 | +171536 |
| 11block | 87 | Sasanuma, Kiyoshi (1541) | Lost 0-2 | -181518 |
| 12block | 104 | Fukaishi, Takahiro (1527) | Won 2-1 | +181536 |
| 13block | 87 | Yasutomi, Hiroto (1547) | Lost 0-2 | -181518 |
| 14block | 83 | Shin, Gill-Won (1501) | Lost 1-2 | -181500 |
| top | average opponent: 1530record: 7-7 | new rating: 1500 | ||