Oota, Hirotaka
Current rating: 1576
Record: 59-52-8 (GP) / 1-4 (professional)
- 2001
- 2002
- 2003
- 2004
- 2005
- 2015
- 2016
- 2017
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 194 | Nakamura, Naomichi (1446) | Lost 1-2 | -201563 |
| 2sealed | 778 | Senta, Syoichi (1485) | Won 2-0 | +171580 |
| 3sealed | 712 | Jo, Bunkun (1595) | Draw 1-1 | 01580 |
| 4sealed | 810 | Li, Junyu (1536) | Won 2-0 | +171597 |
| 5sealed | 554 | Noguchi, Ichiro (1518) | Won 2-0 | +171614 |
| 6sealed | 369 | Morishima, Ryo (1543) | Won 2-1 | +161630 |
| 7sealed | 220 | Watanabe, Yuta9087 (1557) | Lost 0-2 | -191611 |
| 8sealed | 387 | Tsukahara, Kazuto (1593) | Lost 1-2 | -181593 |
| 9sealed | 514 | Takeishi, Kouji (1691) | Lost 0-2 | -171576 |
| top | average opponent: 1552record: 4-4-1 | new rating: 1576 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 417 | Terada, Shuuhei (1612) | Won 2-1 | +191606 |
| 4standard | 334 | Arai, Fuuta (1554) | Won 2-1 | +171623 |
| 5standard | 162 | Yamagami, Yudai (1759) | Lost 1-2 | -161607 |
| 6standard | 260 | Harada, Sosuke (1586) | Won 2-1 | +181625 |
| 7standard | 177 | Ishii, Taiyo (1597) | Won 2-1 | +171642 |
| 8standard | 117 | Xiao, Han (1831) | Lost 0-2 | -141628 |
| 9standard | 244 | Shibata, Syouhei (1587) | Won 2-1 | +171645 |
| 10standard | 97 | Nakayama, Takuya (1761) | Lost 1-2 | -161629 |
| 11standard | 231 | Ebitani, Keisuke (1853) | Lost 0-2 | -141615 |
| 12standard | 314 | Liu, Yuchen (1987) | Lost 0-2 | -111604 |
| 13standard | 307 | Takamatsu, Hiroomi (1491) | Lost 1-2 | -211583 |
| top | average opponent: 1692record: 5-6 | new rating: 1583 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 173 | Han, Yi (1499) | Lost 0-2 | -201588 |
| 4standard | 508 | Kogure, Takamasa (1449) | Lost 0-2 | -211567 |
| 5standard | 798 | Matumoto, Kazuki (1483) | Won 2-0 | +171584 |
| 6standard | 678 | Hirosawa, Yuuta (1955) | Lost 1-2 | -121572 |
| 7standard | 804 | Horber, Dominik (1528) | Draw 1-1 | -11571 |
| 8standard | 910 | Takaishi, Shogo (1498) | Draw 1-1 | -11570 |
| 9standard | 818 | Hoshina, Ryousuke (1519) | Won 2-0 | +171587 |
| top | average opponent: 1562record: 2-3-2 | new rating: 1587 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 504 | Fuzita, Syunsuke (1535) | Won 2-0 | +171626 |
| 4sealed | 233 | Kobayasi, Tomoya (1625) | Lost 1-2 | -181608 |
| 5sealed | 434 | Shimizu, Yousuke (1664) | Won 2-0 | +191627 |
| 6sealed | 202 | Nakaya, Shinya (1560) | Draw 1-1 | -11626 |
| 7sealed | 217 | Goshima, Akito (1656) | Lost 0-2 | -181608 |
| 8sealed | 390 | Kawaguchi, Kenji (1645) | Lost 0-2 | -171591 |
| 9sealed | 546 | Satou, Wataru (1526) | Won 2-0 | +171608 |
| top | average opponent: 1601record: 3-3-1 | new rating: 1608 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 180 | Wakita, Tomoyuki (1623) | Won 2-1 | +191606 |
| 4standard | 161 | Kaji, Kyousuke (1596) | Lost 0-2 | -181588 |
| 5standard | 324 | Takeishi, Kouji (1827) | Won 2-0 | +221610 |
| 6standard | 313 | Siao, G. Shung (1575) | Lost 1-2 | -191591 |
| 7standard | 456 | Hosoda, Daiki (1565) | Lost 1-2 | -181573 |
| 8standard | 495 | Hodumi, Baku (1507) | Won 2-1 | +171590 |
| 9standard | 279 | Sano, Futoshi (1678) | Won 2-0 | +191609 |
| top | average opponent: 1624record: 4-3 | new rating: 1609 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 1010 | Fujihira, Keizou (1599) | Draw 1-1 | +11544 |
| 4sealed | 926 | Matsuda, Issui (1681) | Lost 0-2 | -151529 |
| 5sealed | 1037 | Obata, Maiko (1382) | Won 2-0 | +151544 |
| 6sealed | 954 | Jinba, Yuusuke (1535) | Won 2-1 | +181562 |
| 7sealed | 893 | Yamada, Tsutomu (1598) | Won 2-0 | +181580 |
| 8sealed | 853 | Takasyo, Kenta (1573) | Won 2-0 | +181598 |
| 9sealed | 829 | Tunamoto, Kenta (1592) | Won 2-0 | +181616 |
| 10draft | 174 | Saijo, Yuichi (1590) | Lost 0-2 | -181598 |
| 11draft | 13 | Oda, Hideto (1661) | Lost 1-2 | -171581 |
| 12draft | 180 | Abe, Yuya (1639) | Won 2-0 | +191600 |
| 13draft | 102 | Hu, Shaofan (1583) | Won 2-1 | +181618 |
| 14draft | 134 | Nakamichi, Daisuke (1712) | Lost 1-2 | -171601 |
| 15draft | 68 | Nagaoka, Takayuki (1823) | Lost 0-2 | -141587 |
| top | average opponent: 1613record: 7-5-1 | new rating: 1587 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 52 | Fujita, Tsuyoshi (2082) | Lost 1-2 | -91530 |
| 5block | 82 | Tomizawa, Masahito (1489) | Won 2-0 | +171547 |
| 6block | 42 | Yanagi, Hiroki (1691) | Won 2-0 | +211568 |
| 7block | 41 | Okada, Daisuke (1698) | Lost 1-2 | -161552 |
| 8block | 35 | Wachi, Shinya (1488) | Won 2-0 | +171569 |
| 9block | 31 | Yanase, Kaname (1569) | Won 2-1 | +181587 |
| 10block | 14 | Shiozu, Ryouma (1870) | Lost 0-2 | -131574 |
| 11block | 22 | Yasooka, Shota (1737) | Lost 0-2 | -151559 |
| 12block | 27 | Arita, Ryuichi (1663) | Lost 1-2 | -161543 |
| top | average opponent: 1698record: 4-5 | new rating: 1543 | ||
| Pro Tour Nagoya 2005 (COK rochester) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 48 | Zidek, Arnost (1670) | Lost 0-2 | -161570 |
| 2rochester | 79 | Pelcak, John (1681) | Lost 0-2 | -161554 |
| 3rochester | 100 | Walls, Gabe (1764) | Lost 0-2 | -151539 |
| 4rochester | 16 | Gouesse, Jean-Baptiste (1677) | Lost 0-2 | -151524 |
| 5rochester | 69 | Kimura, Shawn (1380) | Won 2-0 | +151539 |
| top | average opponent: 1634record: 1-4 | new rating: 1539 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Kondo, Shuichi (1519) | Won 2-1 | +171609 |
| 2sealed | 127 | Kikuchi, Yuuji (1550) | Lost 1-2 | -201589 |
| 3sealed | 151 | Taguchi, Hironori (1540) | Won 2-0 | +181607 |
| 4sealed | 138 | Mori, Takashi (1549) | Won 2-0 | +171624 |
| 5sealed | 71 | Sakamoto, Yuki (1602) | Lost 1-2 | -191605 |
| 6sealed | 97 | Mori, Junpei (1542) | Lost 0-2 | -191586 |
| top | average opponent: 1550record: 3-3 | new rating: 1586 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 91 | Ono, Makoto (1558) | Lost 1-2 | -181565 |
| 3standard | 190 | Takimoto, Naoya (1466) | Won 2-0 | +161581 |
| 4standard | 291 | Kasuga, Nobuhiro (1520) | Won 2-0 | +171598 |
| 5standard | 120 | Muramatsu, Daisuke (1487) | Won 2-0 | +161614 |
| 6standard | 93 | Takahama, Norimasa (1503) | Lost 0-2 | -201594 |
| 7standard | 124 | Kitazawa, Kiyohiro (1568) | Won 2-0 | +171611 |
| 8standard | 103 | Furukawa, Ken'ichi (1601) | Lost 0-2 | -181593 |
| 9standard | 148 | Miyazaki, Kazuyuki (1528) | Draw 1-1 | -11592 |
| top | average opponent: 1529record: 4-3-1 | new rating: 1592 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 127 | Ooura, Shotaro (1517) | Won 2-1 | +171624 |
| 3sealed | 87 | Hirabayashi, Kazuya (1640) | Lost 1-2 | -181606 |
| 4sealed | 86 | Kurobane, Kyuuya (1601) | Won 2-0 | +181624 |
| 5sealed | 46 | Nose, Koji (1541) | Won 2-0 | +171641 |
| 6sealed | 24 | Matsumoto, Hiroshi (1581) | Lost 1-2 | -201621 |
| 7sealed | 58 | Meguro, Hiroshi (1535) | Lost 0-2 | -191602 |
| 8sealed | 87 | Ohara, Yoshirou (1560) | Lost 0-2 | -191583 |
| top | average opponent: 1568record: 3-4 | new rating: 1583 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 129 | Kawai, Katsuya (1495) | Won 2-0 | +161617 |
| 2block | 110 | Tateno, Shouta (1519) | Lost 0-2 | -201597 |
| 3block | 184 | Hisaki, Yuu (1534) | Draw 1-1 | -11596 |
| 4block | 254 | Ishida, Tetsuya (1500) | Won 2-1 | +161612 |
| 5block | 170 | Nicolas, Vesale (1522) | Won 2-0 | +171629 |
| 6block | 112 | Kaji, Tomohiro (1655) | Won 2-0 | +181647 |
| 7block | 68 | Fujioka, Kazuki (1472) | Lost 1-2 | -211626 |
| 8block | 116 | Matousek, Pavel (1599) | Lost 1-2 | -191607 |
| top | average opponent: 1537record: 4-3-1 | new rating: 1607 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Okita, Kenichiro (1545) | Won 2-0 | +171603 |
| 2sealed | 13 | Numata, Yosuke (1517) | Won 2-1 | +161619 |
| 3sealed | 84 | Kageyama, Kiyotomo (1600) | Lost 1-2 | -181601 |
| top | average opponent: 1554record: 2-1 | new rating: 1601 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 142 | Shimada, Fujio (1500) | Won 2-0 | +171588 |
| 2sealed | 136 | Sugiyama, Kouichi (1537) | Lost 1-2 | -191569 |
| 3sealed | 236 | Onda, Kazuteru (1499) | Won 2-1 | +171586 |
| top | average opponent: 1512record: 2-1 | new rating: 1586 | ||
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 59 | Nishizawa, Yu (1500) | Lost 0-2 | -191522 |
| 2block | 139 | Nakagawa, Hidetoshi (1481) | Won 2-0 | +181540 |
| 3block | 110 | Kunugi, Ryou (1500) | Lost 1-2 | -191521 |
| 4block | 177 | Kodate, Kazuhisa (1482) | Won 2-0 | +171538 |
| 5block | 133 | Saito, Yu (Hokkaido) (1498) | Won 2-0 | +171555 |
| 6block | 105 | Kageyama, Tarou (1498) | Lost 1-2 | -191536 |
| 7block | 121 | Koeda, Satoru (1500) | Won 2-1 | +181554 |
| 8block | 29 | Suzuki, Yuichiro (1519) | Won 2-1 | +171571 |
| top | average opponent: 1497record: 5-3 | new rating: 1571 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 208 | Fujishiro, Takashi (1537) | Won 2-1 | +191501 |
| 2sealed | 108 | Hata, Fumihiro (1500) | Lost 0-2 | -181483 |
| 3sealed | 220 | Nagai, Kenji (1497) | Draw 1-1 | 01483 |
| 4sealed | 205 | Douno, Takashi (1439) | Won 2-0 | +171500 |
| 5sealed | 128 | Motomura, Shigeru (1520) | Won 2-1 | +191519 |
| 6sealed | 85 | Yaguchi, Kanzo (1596) | Won 2-0 | +191538 |
| 7sealed | 53 | Iwai, Tsuyoshi (1662) | Lost 1-2 | -161522 |
| 8sealed | 90 | Chijimi, Keiichi (1557) | Won 2-0 | +191541 |
| top | average opponent: 1538record: 5-2-1 | new rating: 1541 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 28 | Nakazawa, Kazuhiro (1500) | Lost 0-2 | -181482 |
| 2block | 561 | Ueda, Norihiro (1482) | Won 2-1 | +181500 |
| 3block | 465 | Mizuno, Akimitsu (1498) | Lost 0-2 | -181482 |
| 4block | 521 | Tokonami, Hiromichi (1482) | Won 2-0 | +181500 |
| 5block | 361 | Yoshioka, Kouji (1500) | Lost 0-2 | -181482 |
| top | average opponent: 1492record: 2-3 | new rating: 1482 | ||