Masuda, Hiroki
Current rating: 1526
Record: 15-15
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 516 | Fujii, Kohei (1714) | Lost 0-2 | -161553 |
| 2sealed | 672 | Ogura, Shigeru (1328) | Won 2-1 | +141567 |
| 3sealed | 620 | Kato, Wataru (1410) | Lost 0-2 | -211546 |
| 4sealed | 1007 | Honjou, Daiki (1437) | Won 2-0 | +161562 |
| 5sealed | 623 | Kubo, Hirotaka (1537) | Lost 1-2 | -181544 |
| 6sealed | 726 | Taga, Tomonori (1520) | Lost 1-2 | -181526 |
| top | average opponent: 1491record: 2-4 | new rating: 1526 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 75 | Kiuchi, Takahiro (1500) | Lost 0-2 | -191569 |
| top | record: 0-1 | new rating: 1569 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 169 | Koshiba, Toshiaki (1500) | Won 2-0 | +181522 |
| 2sealed | 232 | Nojima, Daichi (1537) | Won 2-0 | +181540 |
| 3sealed | 48 | Yatori, Naoyuki (1555) | Won 2-1 | +181558 |
| 4sealed | 255 | Nakajima, Hiroki (1392) | Won 2-0 | +151573 |
| 5sealed | 139 | Lim, Ernest (1912) | Lost 1-2 | -121561 |
| 6sealed | 204 | Tanaka, Eiji (1658) | Won 2-0 | +201581 |
| 7sealed | 208 | Satou, Naota (1556) | Won 2-0 | +181599 |
| 8sealed | 47 | Carleton-Barnes, Gabriel (2097) | Lost 0-2 | -101589 |
| 9sealed | 164 | Kumagai, Riku (2025) | Lost 1-2 | -101579 |
| 10draft | 214 | Kitahara, Hiroaki (1813) | Won 2-0 | +221601 |
| 11draft | 209 | Mackl, Valentin (1918) | Lost 0-2 | -131588 |
| top | average opponent: 1724record: 7-4 | new rating: 1588 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 724 | Kurokawa, Shutaro (1480) | Lost 1-2 | -181482 |
| 2modern | 899 | Hayashi, Yukari (1383) | Won 2-0 | +161498 |
| 3modern | 757 | Ninohira, Yuuya (1466) | Won 2-0 | +171515 |
| 4modern | 571 | Umeda, Kyouhei (1522) | Won 2-1 | +181533 |
| 5modern | 373 | Kida, Masashi (1492) | Won 2-1 | +181551 |
| 6modern | 211 | Koseki, Kouta (1572) | Lost 0-2 | -181533 |
| 7modern | 311 | Urasaki, Takayuki (1575) | Won 2-0 | +191552 |
| 8modern | 216 | Nanjo, Masashi (1891) | Lost 1-2 | -121540 |
| 9modern | 336 | Dan, Gyoutou (1541) | Won 2-1 | +181558 |
| 10modern | 400 | Canonica, Kevin (1558) | Lost 0-2 | -181540 |
| 11modern | 346 | Fukuda, Yu (1546) | Lost 0-2 | -181522 |
| 12modern | 329 | Kwon, Ohhyek (1528) | Lost 0-2 | -181504 |
| top | average opponent: 1546record: 6-6 | new rating: 1504 | ||