Hasegawa, Kay
Current rating: 1496
Record: 32-28-1 (GP) / 2-6 (professional)
| Players Tour Online 3 (MTGA IKO standard) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 66 | Tyler, Samuel (1636) | Lost 1-2 | -171531 |
| 2standard | 67 | Ayers, Brandon (1826) | Won 2-1 | +241555 |
| 3standard | 21 | Babych, Iurii (1824) | Won 2-1 | +221577 |
| 4standard | 12 | Ozawa, Takeshi (1972) | Lost 0-2 | -111566 |
| 5standard | 49 | Elci, Berk (1487) | Lost 0-2 | -191547 |
| 6standard | 49 | Sievert, Gemini (1495) | Lost 1-2 | -191528 |
| 7standard | 63 | Shimada, Aron (1626) | Lost 1-2 | -161512 |
| 8standard | 57 | Rood, David (1634) | Lost 0-2 | -161496 |
| top | average opponent: 1687record: 2-6 | new rating: 1496 | ||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1628 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 303 | Hiraoka, Shigenori (1529) | Lost 1-2 | -201608 |
| 3pioneer | 540 | Fujita, Osamu (1867) | Lost 0-2 | -131595 |
| 4pioneer | 637 | Hozumi, Satoshi (1413) | Lost 0-2 | -221573 |
| 5pioneer | 707 | Urata, Jun (1434) | Lost 1-2 | -201553 |
| 6pioneer | 645 | Okunaka, Takakazu (1397) | Won 2-0 | +151568 |
| 7pioneer | 535 | Ono, Tomoyoshi (1451) | Lost 1-2 | -201548 |
| top | average opponent: 1515record: 1-5 | new rating: 1548 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1666 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 334 | Inotsume, Ayumu (1528) | Won 2-0 | +151681 |
| 3sealed | 209 | Watanabe, Takanori (1811) | Lost 0-2 | -151666 |
| 4sealed | 540 | Matsuda, Yukio (1787) | Lost 0-2 | -161650 |
| 5sealed | 745 | Katayama, Satoru (1416) | Lost 0-2 | -221628 |
| top | average opponent: 1635record: 1-3 | new rating: 1628 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1678 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 362 | Okada, Naoya (1637) | Lost 0-2 | -191659 |
| 3standard | 592 | Kaga, Hiroyuki (1710) | Won 2-0 | +191678 |
| 4standard | 498 | Satou, Yoshinobu (1473) | Won 2-0 | +151693 |
| 5standard | 195 | Hieda, Ryu (1687) | Lost 1-2 | -181675 |
| 6standard | 616 | Nagao, Takuya (1383) | Won 2-1 | +121687 |
| 7standard | 209 | Matsubara, Akifumi (1493) | Lost 1-2 | -211666 |
| top | average opponent: 1564record: 3-3 | new rating: 1666 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 123 | Doi, Kazuhiro (1537) | Won 2-1 | +161624 |
| 3legacy | 77 | Yoshino, Kohei (1652) | Won 2-1 | +191643 |
| 4legacy | 75 | Imada, Tatsuki (1556) | Lost 1-2 | -201623 |
| 5legacy | 153 | Fukudome, Yuu (1757) | Won 2-0 | +211644 |
| 6legacy | 133 | Takenaka, Tetsuro (1560) | Won 2-1 | +161660 |
| 7legacy | 35 | Kosho, Tomoya (1614) | Won 2-1 | +171677 |
| 8legacy | 17 | Kihara, Atsuki (1963) | Lost 1-2 | -131664 |
| 9legacy | 72 | Nakamura, Yuya (1697) | Won 2-1 | +191683 |
| 10legacy | 65 | See, Kenny (1543) | Won 2-0 | +151698 |
| 11legacy | 14 | Murase, Hiroshi (1760) | Lost 0-2 | -161682 |
| 12legacy | 54 | Shoji, Keishi (1619) | Lost 1-2 | -201662 |
| 13legacy | 72 | Nakagawa, Tango (1585) | Lost 0-2 | -191643 |
| 14legacy | 78 | Hayashi, Takatomo (1713) | Won 2-0 | +191662 |
| 15legacy | 68 | Marumo, Tsubasa (1550) | Won 2-1 | +161678 |
| top | average opponent: 1650record: 9-5 | new rating: 1678 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 419 | Kawamata, Daisuke (1589) | Lost 0-2 | -181570 |
| 3sealed | 976 | Qian, Liu (1494) | Won 2-0 | +171587 |
| 4sealed | 432 | Mori, Fuminori (1435) | Won 2-1 | +151602 |
| 5sealed | 453 | Tokuyama, Yutaro (1537) | Won 2-1 | +171619 |
| 6sealed | 200 | Sato, Rei (2158) | Won 2-0 | +271646 |
| 7sealed | 97 | Saito, Yuji (1640) | Lost 1-2 | -191627 |
| 8sealed | 150 | Hashimoto, Satoshi 6288 (1520) | Lost 1-2 | -191608 |
| top | average opponent: 1625record: 4-3 | new rating: 1608 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 215 | Katsutoshi, Miyata (1427) | Lost 0-2 | -201518 |
| 2sealed | 702 | Miyajima, Takuto (1600) | Won 2-0 | +201538 |
| 3sealed | 864 | Ono, Katsuya (1477) | Won 2-1 | +171555 |
| 4sealed | 343 | Fujii, Tomoya (1521) | Won 2-0 | +171572 |
| 5sealed | 178 | Enomoto, Keisuke (1455) | Lost 1-2 | -201552 |
| 6sealed | 417 | Higashi, Kentarou (1518) | Lost 0-2 | -191533 |
| 7sealed | 580 | Pinnisch, Markus (1538) | Won 2-1 | +181551 |
| 8sealed | 446 | Okuda, Masateru (1587) | Won 2-1 | +191570 |
| 9sealed | 337 | Hasegawa, Eita (1552) | Won 2-0 | +181588 |
| 10draft | 170 | Sifuentes, Francisco (1820) | Lost 0-2 | -141574 |
| 11draft | 284 | Ito, Ken (1718) | Won 2-0 | +211595 |
| 12draft | 272 | Umeda, Takuya (1516) | Lost 1-2 | -201575 |
| 13draft | 338 | Wakizaka, Hironari (1539) | Lost 1-2 | -181557 |
| 14draft | 226 | Shibayama, Hayato (1269) | Won 2-0 | +121569 |
| 15draft | 216 | Kobayashi, Tatsurou (1595) | Won 2-0 | +191588 |
| top | average opponent: 1542record: 9-6 | new rating: 1588 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Lundblad, Erik (1614) | Lost 0-2 | -161484 |
| 2sealed | 475 | Kavka, Adam (1481) | Won 2-1 | +181502 |
| 3sealed | 561 | Perruzzi, Daniel (1499) | Won 2-1 | +181520 |
| 4sealed | 498 | Hurtado, Oscar (1289) | Won 2-1 | +141534 |
| 5sealed | 338 | Branczek, Carl (1498) | Won 2-1 | +171551 |
| 6sealed | 184 | Holter, Dereck (1566) | Won 2-0 | +181569 |
| 7sealed | 87 | Fawcett, Oscar (1592) | Lost 0-2 | -171552 |
| 8sealed | 178 | Monico, Riccardo (1599) | Draw 1-1 | +11553 |
| 9sealed | 177 | Lindo, Aaron (1758) | Lost 0-2 | -151538 |
| top | average opponent: 1544record: 5-3-1 | new rating: 1538 | ||