Hasegawa, Takahiro
Current rating: 1430
Record: 35-48-2
Grand Prix Nagoya 2012Grand Prix Yokohama 2013Grand Prix Kitakyushu 2013Grand Prix Shizuoka 2013Grand Prix Nagoya 2014Grand Prix Chiba 2015Grand Prix Tokyo 2016Grand Prix Kuala Lumpur 2016Grand Prix Kyoto 2017Grand Prix Chiba 2018Grand Prix New Jersey 2019Grand Prix Cleveland 2019Grand Prix Washington DC 2019
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1407 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 23 | Smith, Alex (1757) | Won 0-0 | +241431 |
| 3sealed | 238 | Sundstrom, Mark (1605) | Lost 1-2 | -151416 |
| 4sealed | 289 | Ingram, Michael (1593) | Lost 0-2 | -151401 |
| 5sealed | 404 | Burch, Hal (1587) | Won 2-1 | +221423 |
| 6sealed | 280 | Klein, Greg (1522) | Won 2-1 | +201443 |
| 7sealed | 167 | Byers, Alex (1771) | Lost 0-2 | -131430 |
| top | average opponent: 1639record: 3-3 | new rating: 1430 | ||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 120 | Tsujikawa, Taiga (1883) | Won 2-0 | +261447 |
| 4sealed | 146 | League, Charles (1595) | Lost 1-2 | -151432 |
| 5sealed | 263 | Berkowitz, Jordan (1768) | Lost 0-2 | -121420 |
| 6sealed | 294 | Thomas, Tony (1553) | Lost 1-2 | -161404 |
| 7sealed | 291 | Haigh, Paul (1476) | Won 2-1 | +191423 |
| 8sealed | 225 | Stearns, Scott (1509) | Lost 1-2 | -161407 |
| top | average opponent: 1631record: 2-4 | new rating: 1407 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1395 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 16 | Wang, Jacky (1829) | Draw 1-1 | +71402 |
| 4sealed | 174 | DuBois, Jesse (1502) | Won 2-1 | +201422 |
| 5sealed | 93 | Thron, Nunzio (1741) | Won 2-1 | +231445 |
| 6sealed | 46 | Joseph-Pare, Bertrand (1877) | Lost 0-2 | -101435 |
| 7sealed | 122 | Cragnoline, Peter (1683) | Lost 0-2 | -141421 |
| top | average opponent: 1726record: 2-2-1 | new rating: 1421 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 21 | Tamoto, Kei (1314) | Won 2-0 | +161429 |
| 4sealed | 85 | Huang, Hao-Shan (1861) | Won 2-1 | +261455 |
| 5sealed | 37 | Saida, Toshihiro (1791) | Lost 0-2 | -121443 |
| 6sealed | 125 | Mori, Syuuichi (1514) | Lost 1-2 | -171426 |
| 7sealed | 481 | Yokoyama, Takaya (1615) | Lost 0-2 | -151411 |
| 8sealed | 446 | Sezume, Akihiro (1487) | Lost 0-2 | -161395 |
| top | average opponent: 1597record: 2-4 | new rating: 1395 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1381 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 625 | Uesugi, Fumiya (1547) | Won 2-1 | +211402 |
| 2sealed | 304 | Sasaki, Hideya (1368) | Won 2-0 | +171419 |
| 3sealed | 122 | Matsumura, Toshikazu (1649) | Lost 0-2 | -141405 |
| 4sealed | 759 | Akasaka, Yasuyuki (1504) | Won 2-0 | +201425 |
| 5sealed | 206 | Oshikawa, Akira (1765) | Lost 0-2 | -121413 |
| top | average opponent: 1566record: 3-2 | new rating: 1413 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1401 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 120 | Tirol, Patrick Benjamin (1520) | Lost 0-1 | -161385 |
| 3standard | 234 | Jiayi, Pow (1500) | Won 0-0 | +211406 |
| 4standard | 222 | Jimenez, Nikki (1613) | Lost 1-2 | -151391 |
| 5standard | 218 | Leviste, Mark (1511) | Lost 0-2 | -161375 |
| 6standard | 247 | Castillo, Dar Francis (1550) | Won 2-1 | +221397 |
| 7standard | 210 | Ishitsuka, Hiroyuki (1514) | Lost 0-2 | -161381 |
| top | average opponent: 1535record: 2-4 | new rating: 1381 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 156 | Hirano, Satohiro (1429) | Lost 1-2 | -181415 |
| 2standard | 889 | Nishikawa, Yukihide (1481) | Lost 1-2 | -171398 |
| 3standard | 1503 | Tsuzuki, Makoto (1522) | Draw 1-1 | +21400 |
| 4standard | 1527 | Aoki, Yutaka (1413) | Won 1-0 | +181418 |
| 5standard | 1303 | Tomioka, Teppei (1466) | Lost 1-2 | -171401 |
| top | average opponent: 1462record: 1-3-1 | new rating: 1401 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 1012 | Hida, Masanori (1539) | Lost 1-2 | -171463 |
| 4sealed | 1050 | Takenouchi, Tetsuya (1627) | Lost 1-2 | -151448 |
| 5sealed | 1143 | Rodgers, Alex (1463) | Won 2-1 | +181466 |
| 6sealed | 1095 | Nakahara, Shouya (1484) | Won 2-1 | +191485 |
| 7sealed | 899 | Sato, Kenji0666 (1536) | Lost 0-2 | -171468 |
| 8sealed | 965 | Wu, Chia-Ju (1492) | Lost 0-2 | -181450 |
| 9sealed | 951 | Tateno, Takayuki (1495) | Lost 1-2 | -171433 |
| top | average opponent: 1519record: 2-5 | new rating: 1433 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 125 | Muramatsu, Yasuhiro (1283) | Won 2-1 | +131553 |
| 4sealed | 26 | Kamei, Kazuhiko (1455) | Lost 1-2 | -201533 |
| 5sealed | 159 | Hirata, Koutatsu (1563) | Lost 0-2 | -171516 |
| 6sealed | 218 | Takamura, Morihiko (1519) | Lost 0-2 | -181498 |
| 7sealed | 217 | Takasu, Yusuke (1492) | Lost 0-2 | -181480 |
| top | average opponent: 1463record: 1-4 | new rating: 1480 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 128 | Katau, Yoshito (1542) | Won 2-0 | +201460 |
| 3standard | 172 | Inoue, Shinta (1514) | Won 2-1 | +191479 |
| 4standard | 91 | Ichikawa, Yuuki (1534) | Lost 1-2 | -171462 |
| 5standard | 181 | Kuroda, Masashiro (1880) | Won 2-1 | +251487 |
| 6standard | 105 | Kinugasa, Satoshi (1553) | Won 2-0 | +191506 |
| 7standard | 61 | Ito, Hajime (1543) | Won 2-0 | +191525 |
| 8standard | 16 | Hoshino, Masaaki (1596) | Won 2-1 | +191544 |
| 9standard | 165 | Saito, Tomoharu (1807) | Won 2-1 | +231567 |
| 10standard | 11 | Fujii, Akira (1559) | Won 2-1 | +181585 |
| 11standard | 4 | Mutou, Kazuki (1659) | Lost 1-2 | -171568 |
| 12standard | 20 | Matsumoto, Yuki1423 (1783) | Lost 0-2 | -141554 |
| 13standard | 53 | Okuma, Naoki (1644) | Lost 0-2 | -161538 |
| 14standard | 53 | Shoji, Tatsuro (1614) | Lost 1-2 | -171521 |
| 15standard | 68 | Son, Kii (1557) | Won 2-1 | +191540 |
| top | average opponent: 1628record: 9-5 | new rating: 1540 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 48 | Kameyama, Takeshi (1632) | Won 2-0 | +211472 |
| 4standard | 135 | Oonishi, Takahisa (1518) | Lost 0-2 | -171455 |
| 5standard | 241 | Minami, Daiki (1494) | Lost 0-2 | -171438 |
| 6standard | 287 | Eto, Yasuhisa (1516) | Lost 1-2 | -171421 |
| 7standard | 301 | Tajiri, Jun (1401) | Won 2-1 | +181439 |
| 8standard | 252 | Itakura, Yusuke (1425) | Lost 0-2 | -181421 |
| 9standard | 258 | Obata, Maiko (1505) | Won 2-0 | +191440 |
| top | average opponent: 1499record: 3-4 | new rating: 1440 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 213 | Shimizu, Souichirou (1456) | Won 2-1 | +181506 |
| 3sealed | 80 | Yuutarou Y., (1469) | Lost 1-2 | -191487 |
| 4sealed | 148 | Ikeda, Hiroaki (1443) | Lost 1-2 | -191468 |
| 5sealed | 238 | Furuichi, Youji (1498) | Lost 0-2 | -171451 |
| 6sealed | 320 | Liang, Chihwei (1480) | Lost 0-2 | -181433 |
| 7sealed | 274 | Hagiwara, Yuuta (1412) | Won 2-0 | +181451 |
| top | average opponent: 1460record: 2-4 | new rating: 1451 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 197 | Satou, Kazumasa (1513) | Won 2-1 | +181518 |
| 3standard | 165 | Sugita, Daichi (1640) | Won 2-1 | +201538 |
| 4standard | 46 | Okada, Wataru (1756) | Lost 0-2 | -141524 |
| 5standard | 177 | Kato, Kensuke (1531) | Won 2-1 | +181542 |
| 6standard | 156 | Aryabhima, Rahman (1532) | Lost 0-2 | -181524 |
| 7standard | 311 | Sakaki, Yusuke (1534) | Lost 0-2 | -181506 |
| 8standard | 299 | Fujii, Mikiya (1505) | Lost 1-2 | -181488 |
| top | average opponent: 1573record: 3-4 | new rating: 1488 | ||