Sasaoka, Hirohito
Current rating: 1496
Record: 41-46-3
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 244 | Hasegawa, Tsuneyuki (1433) | Won 2-0 | +181454 |
| 3sealed | 42 | Kubomura, Masaaki (1408) | Won 2-0 | +171471 |
| 4sealed | 100 | Kagotani, Naota (1539) | Lost 1-2 | -161455 |
| 5sealed | 432 | Sato, Yuichi (1459) | Won 2-1 | +181473 |
| 6sealed | 246 | Kojima, Yoshifumi (1565) | Lost 0-2 | -171456 |
| 7sealed | 339 | Yoshizawa, Masaru (1613) | Lost 1-2 | -151441 |
| 8sealed | 657 | Yokoyama, Kenichi (1450) | Won 2-0 | +181459 |
| 9sealed | 359 | Kanehara, Masataka (1526) | Won 2-0 | +201479 |
| 10draft | 333 | Sato, Hisao (1586) | Won 2-1 | +201499 |
| 11draft | 368 | Matsubara, Ichiro (1801) | Lost 1-2 | -131486 |
| 12draft | 328 | Ueno, Wataru (1625) | Won 2-1 | +201506 |
| 13draft | 282 | Kawaguchi, Kyouhei (1787) | Lost 0-2 | -131493 |
| 14draft | 290 | Tsuboyama, Shuta (1535) | Won 2-0 | +191512 |
| 15draft | 97 | Komatsubara, Atsuo (1589) | Lost 1-2 | -161496 |
| top | average opponent: 1565record: 8-6 | new rating: 1496 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 867 | Harashima, Kenichi (1579) | Lost 0-2 | -171470 |
| 4sealed | 936 | Huang, Shin Lin (1518) | Lost 0-2 | -171453 |
| 5sealed | 1134 | Suzuki, Keisuke2609 (1503) | Lost 0-2 | -171436 |
| top | average opponent: 1533record: 0-3 | new rating: 1436 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 556 | Hisano, Mikita (1499) | Won 2-0 | +171552 |
| 4legacy | 530 | Hirosawa, Yuuta (1933) | Won 2-1 | +251577 |
| 5legacy | 543 | Yamaguchi, Shouta (1566) | Lost 1-2 | -181559 |
| 6legacy | 569 | Oikawa, Hakudou (1591) | Lost 0-2 | -181541 |
| 7legacy | 635 | Yamada, Hiroki (1541) | Lost 0-2 | -181523 |
| 8legacy | 682 | Ichii, Hiroaki (1506) | Lost 0-2 | -181505 |
| 9legacy | 682 | Muranishi, Fumiya (1490) | Lost 0-2 | -181487 |
| top | average opponent: 1590record: 2-5 | new rating: 1487 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 173 | Tanaka, Yoshiyuki (1506) | Lost 0-2 | -191541 |
| 4sealed | 137 | Matsumura, Takehiko (1462) | Lost 1-2 | -191522 |
| 5sealed | 333 | Matsumura, Naoya (1431) | Won 2-0 | +161538 |
| 6sealed | 223 | Tokifuji, Ryo (1520) | Lost 1-2 | -181520 |
| 7sealed | 253 | Kosuga, Shuhei (1446) | Won 2-0 | +171537 |
| 8sealed | 190 | Kanehara, Masataka (1515) | Won 2-1 | +171554 |
| 9sealed | 114 | Kondo, Hirotsugu (1487) | Lost 0-2 | -191535 |
| top | average opponent: 1481record: 3-4 | new rating: 1535 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1043 | Takano, Masato (1513) | Won 2-0 | +171550 |
| 2modern | 776 | Hamano, Kouhei (1485) | Lost 1-2 | -191531 |
| 3modern | 973 | Hamasuna, Yoshitaka (1559) | Won 2-1 | +191550 |
| 4modern | 929 | Mitsuyama, Yoshihisa (1517) | Lost 1-2 | -191531 |
| 5modern | 1046 | Usui, Hidetoshi (1506) | Won 2-1 | +181549 |
| 6modern | 977 | Kanno, Atsushi (1737) | Lost 0-2 | -151534 |
| 7modern | 981 | Nose, Koji (1860) | Won 2-0 | +241558 |
| 8modern | 875 | Kudo, Koichi (1678) | Won 2-1 | +201578 |
| 9modern | 810 | Mita, Ryoichi (1605) | Lost 1-2 | -181560 |
| top | average opponent: 1607record: 5-4 | new rating: 1560 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 686 | Takano, Kouhei (1495) | Lost 0-2 | -181482 |
| 3sealed | 808 | Ooyama, Hiroaki (1498) | Lost 1-2 | -181464 |
| 4sealed | 864 | Mitsunda, Eiji (1482) | Won 2-0 | +191483 |
| 5sealed | 702 | Okuda, Akio (1466) | Won 2-1 | +181501 |
| 6sealed | 735 | Yamato, Tsuguyoshi (1487) | Lost 1-2 | -191482 |
| 7sealed | 741 | Colobong, John (1470) | Won 2-0 | +181500 |
| 8sealed | 648 | Nakazawa, Yusuke (1348) | Won 2-1 | +151515 |
| 9sealed | 613 | Komatsu, Satoru (1484) | Won 2-1 | +181533 |
| top | average opponent: 1466record: 5-3 | new rating: 1533 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 35 | Nuruki, Hiroaki (1591) | Lost 0-2 | -161461 |
| 4standard | 132 | Takamatsu, Hiroomi (1556) | Won 2-0 | +201481 |
| 5standard | 98 | Hagiwara, Yuuta (1441) | Won 2-0 | +171498 |
| 6standard | 55 | Fuchita, Shouhei (1539) | Won 2-0 | +191517 |
| 7standard | 62 | Fujii, Akira (1500) | Lost 0-2 | -181499 |
| 8standard | 80 | Moriyasu, Genki (1578) | Lost 0-2 | -171482 |
| 9standard | 237 | Mita, Shohei (1498) | Won 2-1 | +181500 |
| top | average opponent: 1529record: 4-3 | new rating: 1500 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 65 | Sekizawa, Takayuki (1513) | Lost 0-2 | -171423 |
| 4standard | 245 | Tanaka, Kouta (1517) | Won 2-0 | +201443 |
| 5standard | 203 | Toma, Hiroto (1455) | Won 2-1 | +181461 |
| 6standard | 53 | Ookubo, Hironobu (1514) | Won 2-1 | +191480 |
| 7standard | 36 | Nishimoto, Takuya (1582) | Won 2-1 | +201500 |
| 8standard | 40 | Matsumoto, Yuki2978 (1908) | Lost 1-2 | -111489 |
| 9standard | 106 | Kawakami, Hiroshi (1850) | Lost 0-2 | -121477 |
| top | average opponent: 1620record: 4-3 | new rating: 1477 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 155 | Oshima, Shimpei (1500) | Won 2-0 | +191436 |
| 2sealed | 109 | Matsuyama, Ryousuke (1538) | Lost 0-2 | -161420 |
| 3sealed | 414 | Ochiai, Shigeru (1500) | Won 2-1 | +201440 |
| top | average opponent: 1513record: 2-1 | new rating: 1440 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 163 | Suzuki, Ei (1471) | Won 2-0 | +191463 |
| 2standard | 58 | Watanabe, Sakiya (1500) | Won 2-1 | +181481 |
| 3standard | 110 | Tsunemoto, Makoto (1417) | Lost 0-2 | -191462 |
| 4standard | 121 | Pai, Bruce (1730) | Lost 0-2 | -131449 |
| 5standard | 500 | Matsumoto, Youhei (1497) | Won 2-0 | +191468 |
| 6standard | 479 | Sugita, Daichi (1618) | Lost 1-2 | -151453 |
| 7standard | 447 | Konagai, Ryota (1429) | Lost 0-2 | -191434 |
| 8standard | 426 | Nihei, Naoya (1466) | Lost 0-2 | -171417 |
| top | average opponent: 1516record: 3-5 | new rating: 1417 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 153 | Yamada, Yoshitaka (1492) | Lost 0-2 | -171440 |
| 2sealed | 408 | Katagiri, Shinichi (1598) | Won 2-0 | +211461 |
| 3sealed | 406 | Satou, Naoki (1536) | Lost 0-2 | -171444 |
| top | average opponent: 1542record: 1-2 | new rating: 1444 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 8 | Suzuki, Takashi (1500) | Won 2-0 | +191447 |
| 2extended | 250 | Matoba, Takashi (1726) | Lost 0-2 | -131434 |
| 3extended | 332 | Jack, Nathaniel (1473) | Won 2-0 | +191453 |
| 4extended | 170 | Baba, Yasunori (1574) | Lost 0-2 | -161437 |
| 5extended | 244 | Hirabuki, Tomo (1505) | Won 2-1 | +191456 |
| 6extended | 282 | Isono, Toru (1522) | Draw 1-1 | +11457 |
| top | average opponent: 1550record: 3-2-1 | new rating: 1457 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 214 | Oki, Daisuke (1500) | Won 2-0 | +181518 |
| 2block | 76 | Matsumoto, Masataka (1561) | Lost 0-2 | -171501 |
| 3block | 206 | Higashida, Keita (1538) | Draw 1-1 | 01501 |
| 4block | 248 | Suzuki, Yuuji (Chiba (1484) | Lost 1-2 | -181483 |
| 5block | 303 | Yokono, Yuusuke (1480) | Draw 1-1 | 01483 |
| 6block | 286 | Kishi, Hideyuki (1449) | Lost 0-2 | -191464 |
| 7block | 249 | ueno, yosuke (1445) | Lost 0-2 | -181446 |
| 8block | 201 | Yoshida, Tetsuhide (1425) | Lost 0-2 | -181428 |
| top | average opponent: 1485record: 1-5-2 | new rating: 1428 | ||