Okai, Toshiki
Current rating: 1875 (#847)
Record: 80-46-4 (GP) / 24-23 (professional)
- 2015
- 2016
- 2017
- 2018
- 2019
- 2021
- 2023
| Regional Championships Yokohama 2023 (ONE standard) | starting rating: 1824 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 25 | Yoshigoe, Hisamichi (1647) | Draw 1-1 | -31821 |
| 2standard | 49 | Yoshizawa, Kaoru (1466) | Won 2-1 | +111832 |
| 3standard | 25 | Nakayama, Satoshi (1587) | Won 2-1 | +141846 |
| 4standard | 12 | Nakamichi, Daisuke (1887) | Draw 1-1 | +11847 |
| 5standard | 30 | Saito, Shinya (1873) | Won 2-1 | +181865 |
| 6standard | 18 | Kanai, Shoma (1545) | Won 2-0 | +131878 |
| 7standard | 11 | Itou, Motoaki (2000) | Lost 0-2 | -161862 |
| 8standard | 20 | Nakamura, Shuhei (1952) | Lost 1-2 | -171845 |
| 9standard | 26 | Kobayasi, Tomoya (1821) | Lost 0-2 | -181827 |
| 10standard | 28 | Sakuta, Akira (1659) | Won 2-1 | +151842 |
| 11standard | 24 | Kumagai, Riku (1969) | Won 2-0 | +201862 |
| 12standard | 19 | Takemasa, Shun (1577) | Won 2-1 | +131875 |
| top | average opponent: 1749record: 7-3-2 | new rating: 1875 | ||
| Strixhaven Championship (MTGA mixed) | starting rating: 1853 | |||
| round | table | opponent (rating) | result | Δrating |
| 1historic | 15 | Kiihne, Zachary (2044) | Lost 0-2 | -151838 |
| 2historic | 71 | Williams, Admassu (1689) | Lost 0-2 | -201818 |
| 3historic | 98 | Pimm, Douglas (1742) | Won 2-1 | +161834 |
| 4standard | 79 | Calvin, Nathan (1947) | Lost 1-2 | -161818 |
| 5standard | 102 | Saito, Toru (1891) | Won 2-0 | +201838 |
| 6standard | 65 | Vinci, Stefano (2026) | Won 2-0 | +211859 |
| 7standard | 45 | Offringa, Joost (1487) | Won 2-1 | +111870 |
| 8historic | 55 | Burke, Joel (1623) | Won 2-1 | +141884 |
| 9historic | 27 | Fujie, Ryuzo (1615) | Lost 1-2 | -231861 |
| 10historic | 49 | Ishimura, Shintaro (1852) | Lost 1-2 | -181843 |
| 11historic | 57 | Pei, Eric (1946) | Lost 1-2 | -161827 |
| 12standard | 53 | Nelson, Brad (2001) | Lost 1-2 | -151812 |
| 13standard | 58 | Priolo, Anthony (1585) | Won 2-1 | +141826 |
| 14standard | 55 | Hautzer, Michael (1584) | Won 2-0 | +141840 |
| 15standard | 41 | Carvalho, Marcio (1956) | Lost 0-2 | -161824 |
| top | average opponent: 1799record: 7-8 | new rating: 1824 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1835 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 47 | Suzuki, Hiroyuki 444 (1538) | Won 2-0 | +131848 |
| 4standard | 69 | Umehara, Kei (1621) | Won 2-0 | +141862 |
| 5standard | 92 | Ando, Akira (1740) | Lost 0-2 | -201842 |
| 6standard | 157 | Kio, Yuusuke (1655) | Won 2-1 | +141856 |
| 7standard | 137 | Esaki, Keisuke (1682) | Won 2-0 | +151871 |
| 8standard | 67 | Saito, Shinya (1963) | Lost 1-2 | -161855 |
| 9standard | 66 | Inagaki, Yukihiro (1599) | Lost 1-2 | -231832 |
| 10standard | 129 | Onishi, Kouhei (1465) | Won 2-0 | +121844 |
| 11standard | 94 | Kidera, Seita (1737) | Won 2-1 | +161860 |
| 12standard | 61 | Kim, Taewoo (1695) | Won 2-1 | +151875 |
| 13standard | 55 | Lee, Shi Tian (2080) | Lost 0-2 | -141861 |
| 14standard | 74 | Ohtake, Nobuyuki (1608) | Won 2-1 | +131874 |
| 15standard | 52 | Yuzo Sumiyoshi, Ivan (1683) | Lost 1-2 | -211853 |
| top | average opponent: 1697record: 8-5 | new rating: 1853 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1847 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 13 | Masaki, Arata (1390) | Won 2-1 | +101857 |
| 4sealed | 5 | Takimura, Kazuyuki (1829) | Draw 1-1 | 01857 |
| 5sealed | 146 | Takaoka, Yusuke (1514) | Won 2-0 | +121869 |
| 6sealed | 75 | Hongou, Masato (1505) | Won 2-0 | +111880 |
| 7sealed | 34 | Nagao, Shunsuke (1780) | Lost 1-2 | -201860 |
| 8sealed | 125 | Nobuta, Kazuhito (1457) | Lost 1-2 | -251835 |
| top | average opponent: 1579record: 3-2-1 | new rating: 1835 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1886 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 220 | Yu, Weilong (1703) | Lost 1-2 | -211865 |
| 4standard | 193 | Sun, Chuan (1848) | Lost 0-2 | -181847 |
| top | average opponent: 1776record: 0-2 | new rating: 1847 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1926 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 170 | Tazawa, Masayuki (1483) | Lost 0-2 | -261900 |
| 4standard | 528 | Iijima, Shin (1476) | Won 2-1 | +111911 |
| 5standard | 204 | Motokawa, Takusa (1540) | Lost 1-2 | -251886 |
| top | average opponent: 1499record: 1-2 | new rating: 1886 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1838 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 386 | Sakai, Tatsuya (1663) | Won 2-1 | +151853 |
| 4standard | 248 | Nagami, Takahiro (1582) | Won 2-0 | +131866 |
| 5standard | 217 | Mitsunaga, Yuki (1558) | Won 2-0 | +131879 |
| 6standard | 227 | Iso, Toshiharu (1485) | Won 2-1 | +111890 |
| 7standard | 184 | Wada, Yasutaka (1806) | Won 2-0 | +171907 |
| 8standard | 188 | Yamamoto, Kentaro (1975) | Won 2-0 | +191926 |
| 9standard | 182 | Urase, Ryosuke (1871) | Won 2-0 | +171943 |
| 10standard | 1 | Yamada, Shuusuke (1655) | Won 2-1 | +131956 |
| 11standard | 1 | Nuruki, Hiroaki (1970) | Lost 1-2 | -181938 |
| 12standard | 4 | Nakashima, Atsushi (1835) | Lost 0-2 | -201918 |
| 13standard | 17 | Hara, Wataru (1697) | Won 2-1 | +141932 |
| 14standard | 4 | Natsume, Takuya (1816) | Lost 1-2 | -201912 |
| 15standard | 11 | Asai, Ikuya (1677) | Won 2-1 | +141926 |
| top | average opponent: 1738record: 10-3 | new rating: 1926 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1848 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 164 | Sakamoto, Masaaki (1525) | Won 2-1 | +131861 |
| 4sealed | 196 | Je, Sungeun (2029) | Won 2-0 | +211882 |
| 5sealed | 53 | Takeda, Hiroki (1726) | Won 2-0 | +151897 |
| 6sealed | 37 | Hirayama, Shigetaka (1826) | Lost 0-2 | -191878 |
| 7sealed | 179 | Miyabe, Kouichi (1727) | Lost 0-2 | -211857 |
| 8sealed | 345 | Hiyama, Syunsuke (1587) | Won 2-0 | +131870 |
| 9sealed | 132 | Kusakabe, Shuichi (1732) | Lost 0-2 | -201850 |
| 10draft | 634 | Suzuike, Fumiyasu (1868) | Lost 1-2 | -181832 |
| 11draft | 630 | Hasegawa, Kazunari (1767) | Won 2-1 | +171849 |
| 12draft | 631 | Ishikawa, Shou (1773) | Lost 1-2 | -201829 |
| 13draft | 585 | Nobukiyo, Yasuaki (1567) | Won 2-1 | +141843 |
| 14draft | 618 | Hasegawa, Kazunari (1782) | Lost 0-2 | -191824 |
| 15draft | 645 | Tsukagoshi, Tadaki (1642) | Won 2-1 | +141838 |
| top | average opponent: 1735record: 7-6 | new rating: 1838 | ||
| Pro Tour Rivals of Ixalan (modern) | starting rating: 1853 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 107 | Ishii, Taisuke (1788) | Won 2-1 | +171870 |
| 2draft | 227 | Pardee, Samuel (2088) | Won 2-1 | +221892 |
| 3draft | 198 | Nakamura, Shuhei (2042) | Won 2-1 | +211913 |
| 4modern | 18 | Semenov, Petr (1798) | Won 2-0 | +161929 |
| 5modern | 10 | Moscato, Adriano (1756) | Lost 1-2 | -221907 |
| 6modern | 26 | Rizzi, Mattia (1872) | Lost 1-2 | -181889 |
| 7modern | 58 | Sochurek, Petr (2020) | Won 2-0 | +201909 |
| 8modern | 30 | Braun-Duin, Brian (2135) | Lost 0-2 | -141895 |
| 9draft | 49 | Hendriks, Thomas (1921) | Lost 1-2 | -171878 |
| 10draft | 48 | Jacobson, Mark (1999) | Lost 0-2 | -161862 |
| 11draft | 51 | Gaspar Goncalves, Rafael (1526) | Won 2-0 | +121874 |
| 12modern | 95 | Hendriks, Thomas (1907) | Won 2-1 | +191893 |
| 13modern | 69 | Sacks, Neal (1869) | Won 2-0 | +171910 |
| 14modern | 32 | Zapparoli, Mattia (1553) | Lost 1-2 | -241886 |
| 15modern | 70 | Wakita, Tomoyuki (1780) | Lost 0-2 | -201866 |
| 16modern | 77 | Sukenik, Jonathan (1890) | Lost 1-2 | -181848 |
| top | average opponent: 1871record: 8-8 | new rating: 1848 | ||
| Grand Prix Shanghai 2017 (XLN standard) | starting rating: 1886 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 23 | Lin, Zijian (1513) | Lost 1-2 | -241862 |
| 4standard | 134 | Wang, Haokang (1799) | Won 2-0 | +171879 |
| 5standard | 114 | Gao, Xinchen (1556) | Won 2-1 | +121891 |
| 6standard | 86 | Leong, Felix (1991) | Won 2-1 | +201911 |
| 7standard | 40 | Hart, Jacob (2020) | Lost 0-2 | -161895 |
| 8standard | 71 | Li, Jing (1643) | Lost 1-2 | -231872 |
| 9standard | 110 | Usui, Syou (1813) | Lost 0-2 | -191853 |
| top | average opponent: 1762record: 3-4 | new rating: 1853 | ||
| Pro Tour Hour of Devastation (HOU standard) | starting rating: 1852 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 76 | Piccinno, Richard (1581) | Won 1-0 | +131865 |
| 2draft | 160 | Jen, Ivan (1883) | Lost 0-2 | -181847 |
| 3draft | 226 | Golia, Patrizio (1957) | Lost 1-2 | -161831 |
| 4standard | 171 | Morawski, Jonathan (1973) | Won 2-0 | +211852 |
| 5standard | 155 | Lipp, Scott (2081) | Lost 0-2 | -141838 |
| 6standard | 128 | Rietzl, Paul (1894) | Lost 0-2 | -171821 |
| 7standard | 161 | DeSutter, Ryan (1548) | Won 2-1 | +131834 |
| 8standard | 134 | Villeneuve, Raphael (1642) | Won 2-1 | +141848 |
| 9draft | 133 | Peng, Jianjia (1808) | Lost 1-2 | -181830 |
| 10draft | 64 | Watanabe, Takanori (1807) | Won 2-0 | +171847 |
| 11draft | 123 | Cochran, Hunter (2009) | Lost 1-2 | -151832 |
| 12standard | 118 | Bastogne, Jerome (1643) | Won 2-1 | +151847 |
| 13standard | 117 | Molesch, Max (1946) | Won 2-0 | +201867 |
| 14standard | 94 | Freedman, Henry (1806) | Lost 1-2 | -191848 |
| 15standard | 104 | Sukenik, Jonathan (2030) | Won 2-0 | +211869 |
| 16standard | 91 | Cheung, Justin (1841) | Won 2-0 | +171886 |
| top | average opponent: 1841record: 9-7 | new rating: 1886 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1808 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 467 | Kato, Kensuke (1663) | Won 2-0 | +151823 |
| 4sealed | 82 | Hattori, Takesi (1463) | Won 2-0 | +121835 |
| 5sealed | 119 | Vardzik, Marek (1719) | Won 2-0 | +161851 |
| 6sealed | 21 | Uchida, Satoru (1589) | Won 2-1 | +131864 |
| 7sealed | 8 | Wada, Yuki (1920) | Won 2-1 | +191883 |
| 8sealed | 18 | Lunghi, Jacopo (1809) | Won 2-0 | +171900 |
| 9sealed | 7 | Ohnishi, Jyunpei (1833) | Won 2-1 | +171917 |
| 10draft | 93 | Nagro, Jacob (2101) | Lost 0-2 | -151902 |
| 11draft | 91 | Carter, Steven (2072) | Lost 1-2 | -151887 |
| 12draft | 89 | Kusanagi, Tatsuya (1605) | Won 2-0 | +131900 |
| 13draft | 3 | Tsuchiya, Hideaki (1915) | Lost 0-2 | -181882 |
| 14draft | 231 | Braun-Duin, Brian (1932) | Lost 1-2 | -171865 |
| 15draft | 187 | Morofuji, Takuma (2106) | Lost 1-2 | -131852 |
| top | average opponent: 1825record: 8-5 | new rating: 1852 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1831 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 271 | Fujii, Akira (1540) | Lost 0-2 | -231808 |
| top | record: 0-1 | new rating: 1808 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1735 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 658 | Shinkai, Yasuhiro (1486) | Won 2-1 | +131748 |
| 4standard | 100 | Seet, Danny (1628) | Won 2-1 | +161764 |
| 5standard | 58 | Odachi, Kentarou (1522) | Won 2-1 | +141778 |
| 6standard | 72 | Ando, Eriko (1730) | Won 2-1 | +171795 |
| 7standard | 34 | Saito, Shinya (1753) | Won 2-1 | +171812 |
| 8standard | 7 | Karatsu, Yoshifumi (1560) | Lost 1-2 | -221790 |
| 9standard | 55 | Fukudome, Yuu (1682) | Won 2-0 | +161806 |
| 10standard | 34 | Yoshida, Yuuji (1764) | Lost 1-2 | -191787 |
| 11standard | 79 | Yamade, Masato (1593) | Won 2-1 | +141801 |
| 12standard | 55 | Mizumoto, Hirotaka (1666) | Lost 1-2 | -201781 |
| 13standard | 98 | Kashiwagi, Ryohei (1572) | Won 2-1 | +141795 |
| 14standard | 51 | Kitaoka, Takaaki (1761) | Won 2-1 | +181813 |
| 15standard | 22 | Takahashi, Nozomu (1842) | Won 2-0 | +181831 |
| top | average opponent: 1658record: 10-3 | new rating: 1831 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1685 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 316 | Hino, Takahiro (1500) | Won 2-0 | +141699 |
| 3legacy | 1 | Tanigawa, Futa (1501) | Won 2-0 | +151714 |
| 4legacy | 92 | Yamashita, Taiki (1528) | Won 2-0 | +141728 |
| 5legacy | 70 | Fidel, Martin (1568) | Won 2-1 | +151743 |
| 6legacy | 68 | Kurosawa, Takuto (1572) | Lost 0-2 | -211722 |
| 7legacy | 61 | Kaneda, Yoshiyuki (1652) | Won 2-0 | +171739 |
| 8legacy | 115 | Garcia, Marlon (1744) | Lost 1-2 | -181721 |
| 9legacy | 153 | Arakaki, Gen (1539) | Won 2-1 | +151736 |
| 10legacy | 114 | Noto, Yoshinari (1437) | Won 2-0 | +131749 |
| 11legacy | 74 | Friedman, Ben (2039) | Lost 1-2 | -131736 |
| 12legacy | 78 | Oikawa, Ryusuke (1673) | Lost 0-2 | -191717 |
| 13legacy | 133 | Shimizu, Yousuke (1730) | Won 2-1 | +181735 |
| top | average opponent: 1624record: 8-4 | new rating: 1735 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 481 | Horiuchi, Taisuke (1506) | Won 2-0 | +171560 |
| 4standard | 359 | Ashizawa, Yoshisato (1554) | Won 2-0 | +181578 |
| 5standard | 62 | Muraoka, Hideaki (1508) | Won 2-1 | +171595 |
| 6standard | 10 | Bang, Hyun-Jung (1574) | Won 2-1 | +181613 |
| 7standard | 8 | Kato, Kensuke (1769) | Lost 1-2 | -161597 |
| 8standard | 132 | Hayashi, Daisuke (1713) | Won 2-1 | +201617 |
| 9standard | 36 | Takahashi, Eiji (1527) | Won 2-0 | +171634 |
| 10standard | 19 | Ikawa, Yoshihiko (1860) | Won 2-1 | +221656 |
| 11standard | 6 | Huang, Hao-Shan (2019) | Lost 0-2 | -121644 |
| 12standard | 39 | Chan, Ron [MYS] (1614) | Won 2-0 | +181662 |
| 13standard | 28 | Takatsuka, Yuuki (1701) | Won 2-0 | +181680 |
| 14standard | 13 | McNeace, Shawn (2008) | Won 2-1 | +241704 |
| 15standard | 9 | Maruya, Takashi (1617) | Lost 1-2 | -191685 |
| top | average opponent: 1690record: 10-3 | new rating: 1685 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 445 | Kimura, Syun (1383) | Won 2-1 | +161516 |
| 2standard | 443 | Matsushima, Yuki (1610) | Won 2-0 | +201536 |
| 3standard | 435 | Saito, Ryoichiro (1536) | Lost 1-2 | -181518 |
| 4standard | 558 | Fukumoto, Hiroaki (1660) | Won 2-1 | +201538 |
| 5standard | 511 | Cho, Jeong Woo (1750) | Draw 1-1 | +41542 |
| 6standard | 337 | Sakai, Toshinori (1609) | Lost 0-2 | -171525 |
| 7standard | 553 | Fujita, Gensho (1565) | Won 2-0 | +191544 |
| 8standard | 367 | Hagiya, Kouki (1523) | Won 2-0 | +181562 |
| 9standard | 240 | Okano, Shingo (1529) | Lost 1-2 | -191543 |
| top | average opponent: 1574record: 5-3-1 | new rating: 1543 | ||