Ozaki, Naoto
Current rating: 1414
Record: 26-37
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 436 | Kamikawa, Takuya (1479) | Lost 1-2 | -191482 |
| 3sealed | 628 | Saito, Hirotsugu (1720) | Lost 1-2 | -131469 |
| 4sealed | 849 | Kurauchi, Ryosuke (1429) | Lost 0-2 | -191450 |
| 5sealed | 1037 | Hamada, Takayuki (1461) | Lost 0-2 | -181432 |
| 6sealed | 999 | Kamo, Kyouhei (1451) | Lost 0-2 | -181414 |
| top | average opponent: 1508record: 0-5 | new rating: 1414 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1387 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 257 | Tomita, Hiroki (1461) | Won 2-0 | +191406 |
| 3modern | 523 | Baba, Yukihiro (1560) | Won 2-0 | +211427 |
| 4modern | 208 | Takeuchi, Yuhei (1556) | Won 2-0 | +201447 |
| 5modern | 16 | Nakai, Satoshi (1576) | Won 2-0 | +211468 |
| 6modern | 28 | Kimura, Kazuki (1753) | Lost 0-2 | -131455 |
| 7modern | 75 | Ando, Masanori (1499) | Won 2-1 | +181473 |
| 8modern | 102 | Yamamoto, Masafumi (1760) | Won 2-1 | +231496 |
| 9modern | 71 | Arita, Kazuhiro (1514) | Lost 1-2 | -171479 |
| 10modern | 109 | Hayashi, Shinsuke (1861) | Lost 1-2 | -121467 |
| 11modern | 206 | Moriyama, Yuu (1705) | Won 2-1 | +231490 |
| 12modern | 153 | Utsunomiya, Takumi (1665) | Won 2-1 | +211511 |
| 13modern | 65 | Ishikawa, Shou (1826) | Won 2-1 | +231534 |
| 14modern | 35 | Yamakoshi, Nozomi (1598) | Lost 0-2 | -161518 |
| 15modern | 101 | Itazu, Yoshihisa (1579) | Lost 0-2 | -171501 |
| top | average opponent: 1637record: 9-5 | new rating: 1501 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 310 | Okada, Hajime (1368) | Lost 0-2 | -191434 |
| 3standard | 1094 | Yamakita, Yuya (1587) | Lost 1-2 | -151419 |
| 4standard | 1045 | Hirata, Koutatsu (1592) | Lost 1-2 | -151404 |
| 5standard | 1154 | Urata, Jun (1461) | Lost 1-2 | -171387 |
| top | average opponent: 1502record: 0-4 | new rating: 1387 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 74 | Takahashi, Naoya (1679) | Lost 1-2 | -131419 |
| 3standard | 840 | Shang, Shuwen (1483) | Won 2-0 | +191438 |
| 4standard | 794 | Naitou, Takashi (1682) | Lost 1-2 | -141424 |
| 5standard | 986 | Hara, Katsuaki (1473) | Won 2-1 | +191443 |
| 6standard | 754 | Umebara, Keita (1518) | Lost 0-2 | -171426 |
| 7standard | 949 | Yoshimoto, Reo (1503) | Won 2-0 | +201446 |
| 8standard | 724 | Takaishi, Etsushi (1505) | Won 2-1 | +191465 |
| 9standard | 486 | Hagiwara, Genta (1828) | Lost 0-2 | -121453 |
| top | average opponent: 1584record: 4-4 | new rating: 1453 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 451 | Aka, Shunsuke (1702) | Won 2-1 | +231456 |
| 4sealed | 193 | Fujiwara, Ryoji (1443) | Won 2-1 | +181474 |
| 5sealed | 36 | Okumura, Yuji (1754) | Lost 0-2 | -131461 |
| 6sealed | 103 | Kanegawa, Toshiya (1814) | Lost 0-2 | -121449 |
| 7sealed | 529 | Suzuki, Junpei (1599) | Won 2-1 | +211470 |
| 8sealed | 146 | Kushibe, Toshiki (1637) | Won 2-0 | +211491 |
| 9sealed | 207 | Kadota, Shinichi (1647) | Lost 0-2 | -161475 |
| 10draft | 289 | Liao, Yi-Nan (1701) | Lost 1-2 | -141461 |
| 11draft | 62 | Komatsubara, Atsuo (1545) | Lost 1-2 | -161445 |
| 12draft | 217 | Hirano, Kosaku (1478) | Won 2-0 | +191464 |
| 13draft | 292 | Terada, Shuuhei (1688) | Lost 0-2 | -141450 |
| 14draft | 188 | Aoi, Masashi (1489) | Lost 1-2 | -181432 |
| top | average opponent: 1625record: 5-7 | new rating: 1432 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 108 | Choi, Minsu (1500) | Lost 0-2 | -171450 |
| 2standard | 794 | Tsukitani, Takashi (1482) | Won 2-0 | +181468 |
| 3standard | 672 | Tomoguchi, Shinichi (1501) | Lost 0-2 | -171451 |
| 4standard | 993 | Sasaki, Hideya (1464) | Lost 1-2 | -181433 |
| top | average opponent: 1487record: 1-3 | new rating: 1433 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 136 | Takahashi, Daiki (1566) | Won 2-0 | +201482 |
| 2sealed | 170 | Hukuyoshi, Takaaki (1518) | Lost 0-2 | -171465 |
| 3sealed | 412 | Hamaguchi, Katsuhiro (1498) | Won 2-0 | +181483 |
| 4sealed | 132 | Akase, Daisuke (1469) | Won 2-1 | +181501 |
| 5sealed | 115 | Yamagami, Yudai (1516) | Lost 1-2 | -181483 |
| 6sealed | 242 | Takeuchi, Akinari (1586) | Lost 1-2 | -161467 |
| top | average opponent: 1526record: 3-3 | new rating: 1467 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 189 | Itou, Takanori (1455) | Won 2-1 | +171517 |
| 2standard | 8 | Eura, Hiroki (1560) | Lost 1-2 | -171500 |
| 3standard | 245 | Natsume, Seishiro (1474) | Lost 0-2 | -191481 |
| 4standard | 400 | Mochizuki, Takahito (1414) | Lost 0-2 | -191462 |
| top | average opponent: 1476record: 1-3 | new rating: 1462 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 123 | Onoda, Hikaru (1500) | Won 2-0 | +181518 |
| 2sealed | 64 | Matsuki, Hitoshi (1482) | Lost 0-2 | -191499 |
| 3sealed | 139 | Urano, Tomohisa (1500) | Won 2-0 | +181517 |
| 4sealed | 120 | Saito, Takaya (1517) | Won 2-0 | +181535 |
| 5sealed | 99 | Sato, Kimihiko (1554) | Lost 1-2 | -171518 |
| 6sealed | 109 | Yusa, Sinnosuke (1520) | Lost 0-2 | -181500 |
| top | average opponent: 1512record: 3-3 | new rating: 1500 | ||