Ogawa, Masaru
Current rating: 1571
Record: 28-24-2
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 258 | Koshida, Yusuke (1441) | Lost 1-2 | -201517 |
| 2pioneer | 452 | Ichii, Hiroaki (1465) | Won 2-1 | +181535 |
| 3pioneer | 494 | Choi, Minseok (1297) | Won 2-0 | +131548 |
| 4pioneer | 381 | Miotani, Tomoya (1655) | Lost 0-2 | -161532 |
| 5pioneer | 626 | Yamamoto, Yuusuke (1480) | Won 2-0 | +171549 |
| 6pioneer | 343 | Chen, Bonn (1395) | Won 2-1 | +151564 |
| 7pioneer | 249 | Saitou, Ryuuga (1918) | Lost 1-2 | -111553 |
| 8pioneer | 310 | Okuyama, Sanshirou (1588) | Won 2-0 | +181571 |
| top | average opponent: 1530record: 5-3 | new rating: 1571 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 547 | Yamada, Satoshi (1500) | Won 2-1 | +181510 |
| 2sealed | 240 | Kukino, Yudai (1511) | Won 2-1 | +181528 |
| 3sealed | 298 | Miyasaka, Sho (1707) | Won 2-1 | +211549 |
| 4sealed | 163 | Sasaki, Yusuke 4501 (1641) | Lost 0-2 | -161533 |
| 5sealed | 348 | Ito, Mizuki (1539) | Won 2-1 | +181551 |
| 6sealed | 247 | Takaya, Kensuke (1704) | Lost 0-2 | -151536 |
| 7sealed | 348 | Mitsuya, Teppei (1519) | Won 2-1 | +171553 |
| 8sealed | 295 | Henmi, Ryuji (1652) | Lost 1-2 | -161537 |
| top | average opponent: 1597record: 5-3 | new rating: 1537 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 726 | Horie, Hiroshi (1543) | Lost 1-2 | -181524 |
| 2standard | 704 | Katayama, Yuuya (1388) | Draw 1-1 | -31521 |
| 3standard | 331 | Morishita, Yoshihisa (1366) | Lost 1-2 | -211500 |
| 4standard | 1034 | Makoto, Mituduka (1455) | Lost 0-2 | -191481 |
| 5standard | 1009 | Kagoi, Yuki (1298) | Won 2-1 | +151496 |
| 6standard | 888 | Doi, Yuuta (1463) | Won 2-0 | +181514 |
| 7standard | 747 | Nishiguchi, Yoshinori (1315) | Lost 0-2 | -221492 |
| 8standard | 707 | Chang, Hui-Liang (1479) | Draw 1-1 | 01492 |
| top | average opponent: 1413record: 2-4-2 | new rating: 1492 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 348 | Miki, Takashi (1483) | Won 2-0 | +181526 |
| 2legacy | 96 | Hagiwara, Masakatsu (1651) | Lost 0-2 | -161510 |
| 3legacy | 506 | Ogasawara, Ryo (1500) | Won 2-0 | +181528 |
| 4legacy | 421 | Hirooka, Hideki (1427) | Lost 1-2 | -201508 |
| 5legacy | 378 | Kamei, Hidenori (1480) | Won 2-1 | +181526 |
| 6legacy | 201 | Kubo, Yuta1677 (1487) | Lost 0-2 | -191507 |
| 7legacy | 390 | Miyawaki, Yusuke (1570) | Won 2-0 | +191526 |
| 8legacy | 243 | Araki, Youhei (1392) | Won 2-0 | +161542 |
| top | average opponent: 1499record: 5-3 | new rating: 1542 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 492 | Horie, Tubasa (1503) | Won 2-1 | +181521 |
| 2legacy | 252 | Ookawa, Yuusuke (1594) | Won 2-0 | +201541 |
| 3legacy | 301 | Tobari, Masato (1488) | Lost 0-2 | -191522 |
| 4legacy | 404 | Oda, Yosuke (1520) | Won 2-0 | +181540 |
| 5legacy | 213 | Odachi, Kentarou (1476) | Won 2-1 | +171557 |
| 6legacy | 242 | Yamaguchi, Shouta (1577) | Lost 0-2 | -181539 |
| 7legacy | 299 | Utsunomiya, Takumi (1611) | Won 2-1 | +191558 |
| 8legacy | 238 | Ichimura, Naoya (1554) | Won 2-1 | +181576 |
| 9legacy | 145 | Liao, Winston (1619) | Lost 1-2 | -171559 |
| 10legacy | 267 | Yamamoto, Naoto (1524) | Won 2-0 | +171576 |
| 11legacy | 154 | Hoshi, Kazuto (1752) | Lost 1-2 | -141562 |
| 12legacy | 211 | Iwazaki, Yuuta (1629) | Lost 0-2 | -171545 |
| 13legacy | 273 | Baek, Namil (1510) | Lost 1-2 | -191526 |
| 14legacy | 274 | Hashimoto, Hashi (1531) | Lost 0-2 | -181508 |
| top | average opponent: 1563record: 7-7 | new rating: 1508 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 622 | Suzuki, Ryohei (1533) | Won 2-1 | +191519 |
| 2standard | 416 | Syoriken, Kazuma (1518) | Won 2-1 | +181537 |
| 3standard | 29 | Endoh, Endoh (1500) | Won 2-0 | +171554 |
| 4standard | 219 | Yang, Yu Min (1514) | Lost 0-2 | -191535 |
| 5standard | 222 | Shimizu, Haruki (1579) | Lost 0-2 | -171518 |
| 6standard | 793 | Iwakura, Tatsuro (1701) | Lost 1-2 | -151503 |
| 7standard | 1012 | Nagoya, Ryouta (1521) | Won 2-1 | +191522 |
| 8standard | 806 | Kamimura, Fumihiro (1515) | Lost 0-2 | -191503 |
| top | average opponent: 1548record: 4-4 | new rating: 1503 | ||