Seki, Kentaro
Current rating: 1590
Record: 49-41-1 (GP) / 3-5 (professional)
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 263 | Sakamoto, Akihito (1559) | Won 2-0 | +181569 |
| 2standard | 127 | Ando, Satoru (1433) | Won 2-0 | +161585 |
| 3standard | 125 | Iitsuka, Yuuki (1565) | Lost 1-2 | -191566 |
| 4standard | 493 | Tokuda, Ryusei (1486) | Won 2-0 | +171583 |
| 5standard | 398 | Sato, Rei (1790) | Won 2-1 | +221605 |
| 6standard | 120 | Yamada, Takuya (1731) | Lost 1-2 | -161589 |
| 7standard | 282 | Mikami, Akihiro (1599) | Lost 0-2 | -181571 |
| 8standard | 398 | Izumisawa, Ryo (1594) | Won 2-1 | +191590 |
| top | average opponent: 1595record: 5-3 | new rating: 1590 | ||
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 106 | Buakhruen, Sitthisak (1575) | Lost 1-2 | -181540 |
| 2sealed | 222 | Minbu, Mie (1483) | Won 2-0 | +171557 |
| 3sealed | 292 | Vallesteros, Xezur (1473) | Lost 1-2 | -191538 |
| 4sealed | 284 | Kanpana, Kulkitti (1547) | Won 2-0 | +181556 |
| 5sealed | 252 | Sittiaumponpan, Sittipong (1502) | Won 2-0 | +171573 |
| 6sealed | 143 | Ler, Pris (1428) | Lost 1-2 | -211552 |
| 7sealed | 191 | Anurut, Khongphatthanatrakun (1509) | Lost 0-2 | -181534 |
| 8sealed | 175 | Miyahara, Shun (1500) | Won 2-0 | +171551 |
| top | average opponent: 1502record: 4-4 | new rating: 1551 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 179 | Sato, Hiroto (1500) | Won 2-0 | +161632 |
| 2sealed | 279 | Wachi, Shinya (1681) | Lost 1-2 | -171615 |
| 3sealed | 862 | Hoshino, Yoshitaka (1404) | Lost 1-2 | -221593 |
| 4sealed | 867 | Mukai, Kuniteru (1344) | Lost 0-2 | -221571 |
| 5sealed | 919 | Ono, Ikumi (1347) | Lost 0-2 | -221549 |
| 6sealed | 793 | Li, Tenghui (1451) | Won 2-0 | +161565 |
| 7sealed | 655 | Hosogoe, Yohei (1444) | Won 2-0 | +161581 |
| 8sealed | 490 | Kondo, Hirotsugu (1328) | Lost 1-2 | -231558 |
| top | average opponent: 1438record: 3-5 | new rating: 1558 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 97 | Wu, Bo Shin (1471) | Won 2-0 | +161599 |
| 2standard | 211 | Chang, Yao-Hsien (1500) | Lost 0-2 | -201579 |
| 3standard | 413 | Xu, Yang Yang (1499) | Won 2-1 | +171596 |
| 4standard | 340 | Huang, Hao-Shan (1769) | Won 2-1 | +211617 |
| 5standard | 91 | Tian, Kuang Kai (1613) | Lost 0-2 | -181599 |
| 6standard | 272 | Oei, Henry (1369) | Won 2-0 | +141613 |
| 7standard | 209 | Kuo, Tzu-Ching (1868) | Lost 1-2 | -141599 |
| 8standard | 259 | Liew, Don (1541) | Won 2-0 | +171616 |
| top | average opponent: 1579record: 5-3 | new rating: 1616 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1638 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 103 | Kawamura, Kazuyuki (1441) | Won 2-1 | +141652 |
| 2standard | 216 | Saito, Daichi (1687) | Lost 0-2 | -171635 |
| 3standard | 852 | Taira, Kentaro (1509) | Lost 0-2 | -211614 |
| 4standard | 719 | Pasca, Vincenzo (1473) | Lost 1-2 | -201594 |
| 5standard | 814 | Suzuki, Yuuhei (1368) | Won 2-1 | +141608 |
| 6standard | 689 | Komiya, Yuki (1481) | Lost 1-2 | -211587 |
| 7standard | 627 | Goto, Kosuke (1389) | Won 2-0 | +151602 |
| 8standard | 543 | Miyasaka, Sho (1550) | Lost 0-2 | -191583 |
| top | average opponent: 1487record: 3-5 | new rating: 1583 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1655 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 304 | Oosawa, Yuki (1396) | Won 2-0 | +131668 |
| 2standard | 587 | Onikiri, Yuichi (1618) | Won 2-0 | +171685 |
| 3standard | 295 | Qian, Zhengrui (1420) | Lost 0-2 | -221663 |
| 4standard | 595 | Uemura, Akira (1463) | Won 2-0 | +141677 |
| 5standard | 470 | Kuo, Tzu-Ching (1909) | Lost 0-2 | -141663 |
| 6standard | 700 | Koga, Toshimitsu (1663) | Lost 1-2 | -181645 |
| 7standard | 725 | Sakuma, Takamichi (1433) | Won 2-0 | +141659 |
| 8standard | 575 | Togawa, Syuuichi (1447) | Lost 0-2 | -211638 |
| top | average opponent: 1544record: 4-4 | new rating: 1638 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1712 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 201 | Uchino, Jun (1565) | Lost 1-2 | -201692 |
| 2sealed | 975 | Jinno, Kohei (1484) | Lost 1-2 | -221670 |
| 3sealed | 1068 | Nagano, Keita (1719) | Lost 0-2 | -171653 |
| 4sealed | 1100 | Suzuki, Tatsuya (1328) | Won 2-0 | +121665 |
| 5sealed | 973 | Sasaki, Ken (1501) | Won 2-1 | +151680 |
| 6sealed | 805 | Kazuki, Rika (1253) | Lost 1-2 | -251655 |
| top | average opponent: 1475record: 2-4 | new rating: 1655 | ||
| Pro Tour Hour of Devastation (HOU standard) | starting rating: 1716 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 4 | Tiu, Oliver (2156) | Lost 1-2 | -101706 |
| 2draft | 4 | Tobiasch, Marc (1965) | Won 2-1 | +221728 |
| 3draft | 4 | Vefa, Yusuf Kemal (1857) | Won 2-1 | +201748 |
| 4standard | 81 | Muller, Martin (2175) | Lost 1-2 | -101738 |
| 5standard | 100 | Taniguchi, Hiroaki (1856) | Lost 1-2 | -161722 |
| 6standard | 150 | Khare, Anand (1968) | Lost 0-2 | -141708 |
| 7standard | 175 | Hibino, Yasutaka (1646) | Won 2-1 | +171725 |
| 8standard | 125 | Tierney, Patrick (2016) | Lost 0-2 | -131712 |
| top | average opponent: 1955record: 3-5 | new rating: 1712 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 390 | Fuji, Masamitu (1500) | Lost 1-2 | -181470 |
| 2standard | 911 | Hanada, Keisuke (1492) | Won 2-0 | +191489 |
| 3standard | 1010 | Hayashi, Hidenori (1500) | Won 2-1 | +181507 |
| 4standard | 857 | Nakagawa, Yuki (1505) | Won 2-1 | +181525 |
| 5standard | 359 | Kondou, Ryuuki (1549) | Won 2-1 | +181543 |
| 6standard | 166 | Nomoto, Hidetaka (1652) | Won 2-1 | +201563 |
| 7standard | 219 | Matubayashi, Kazunori (1707) | Lost 0-2 | -151548 |
| 8standard | 249 | Yoshizawa, Kohei (1539) | Won 2-1 | +181566 |
| 9standard | 120 | Gotou, Hiroyuki (1706) | Won 2-1 | +201586 |
| 10standard | 102 | Lee, Shi Tian (2219) | Won 2-1 | +281614 |
| 11standard | 95 | Tsuzaki, Akira (1585) | Won 2-0 | +181632 |
| 12standard | 41 | Nomura, Tsuyoshi (1703) | Won 2-1 | +191651 |
| 13standard | 40 | Zheng, Peiyuan (1702) | Won 2-1 | +191670 |
| 14standard | 23 | Ichikawa, Yuuki (2235) | Won 2-1 | +271697 |
| 15standard | 13 | Mizumoto, Hirotaka (1728) | Won 2-1 | +191716 |
| top | average opponent: 1688record: 13-2 | new rating: 1716 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 475 | Nakao, Munenari (1597) | Draw 1-1 | +11528 |
| 2standard | 786 | Sato, Motomichi (1502) | Lost 1-2 | -181510 |
| 3standard | 1387 | Inui, Takahiro (1525) | Lost 0-2 | -181492 |
| 4standard | 1513 | Sone, Yoshihiro (1464) | Won 2-1 | +181510 |
| 5standard | 1274 | Katagiri, Akihito (1585) | Lost 1-2 | -171493 |
| 6standard | 1356 | Shibata, Yasumasa (1291) | Won 2-1 | +141507 |
| 7standard | 1147 | Endou, Reona (1481) | Lost 0-2 | -181489 |
| 8standard | 1026 | Yamamoto, Yoshihiro (1464) | Lost 0-2 | -181471 |
| 9standard | 887 | Jo, Kyu Sung (1447) | Won 2-0 | +171488 |
| top | average opponent: 1484record: 3-5-1 | new rating: 1488 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 297 | Ogawa, Satoshi (1490) | Won 2-1 | +181518 |
| 2sealed | 459 | Okamoto, Yasutaka (1513) | Won 2-0 | +181536 |
| 3sealed | 302 | Nishikawa, Haruyoshi (1508) | Won 2-0 | +171553 |
| 4sealed | 132 | Kobayashi, Tetsuro (1495) | Lost 1-2 | -191534 |
| 5sealed | 278 | Lucian, Battaglia (1502) | Lost 0-2 | -181516 |
| 6sealed | 642 | Kimura, Minori (1470) | Won 2-1 | +171533 |
| 7sealed | 450 | Liao, Yi-Nan (1690) | Lost 1-2 | -151518 |
| 8sealed | 520 | Oohashi, Keisuke (1610) | Won 2-1 | +191537 |
| 9sealed | 496 | Shibata, Masato (1535) | Won 2-1 | +181555 |
| 10draft | 295 | Miura, Yuuki (1704) | Lost 1-2 | -151540 |
| 11draft | 351 | Shiota, Fumihiko (1738) | Won 2-0 | +211561 |
| 12draft | 68 | Oki, Hiroki (1531) | Lost 0-2 | -181543 |
| 13draft | 334 | Iguchi, Taisuke (1667) | Lost 0-2 | -161527 |
| top | average opponent: 1573record: 7-6 | new rating: 1527 | ||