Tomoharu Otsuki
BY YEAR
| Japan Open Golf Championship | JPN | 42 | 2019 | T40 | - | 1 | - | 234th |
| Bridgestone Open | JPN | 41 | 2019 | T2 | 6.16 | 1 | 6.16 | 225th |
| Top Cup Tokai Classic | JPN | 40 | 2019 | T7 | 2.61 | 1 | 2.61 | 276th |
| Panasonic Open Golf Championship | ASA,JPN | 39 | 2019 | T50 | - | 1 | - | 298th |
| Shinhan Donghae Open | ASA,JPN,KOR | 38 | 2019 | T32 | - | 1 | - | 279th |
| ANA Open | JPN | 37 | 2019 | MC | - | 1 | - | 268th |
| Yeangder TPC | ASA | 36 | 2019 | T21 | - | 1 | - | 264th |
| Bank BRI Indonesia Open | ASA | 35 | 2019 | MC | - | 1 | - | 261st |
| Shigeo Nagashima Invitational SEGASAMMY Cup | JPN | 34 | 2019 | T10 | 1.92 | 1 | 1.92 | 250th |
| Sarawak Championship | ASA | 33 | 2019 | T24 | - | 1 | - | 268th |
| Japan PGA Championship | JPN | 27 | 2019 | T43 | - | 0.9674 | - | 264th |
| Dunlop SRIXON Fukushima Open | JPN | 26 | 2019 | T7 | 2.43 | 0.9565 | 2.32 | 249th |
| Kolon the 62nd Korea Open | ASA,KOR | 25 | 2019 | MC | - | 0.9457 | - | 279th |
| KEB Hana Bank Invitational | KOR | 24 | 2019 | T50 | - | 0.9348 | - | 278th |
| JGTC Mori Building Cup Shishido Hills | JPN | 23 | 2019 | MC | - | 0.9239 | - | 274th |
| Gate Way To The Open Mizuno Open at The Royal GC | JPN | 22 | 2019 | T45 | - | 0.913 | - | 271st |
| Kansai Open Golf Championship | JPN | 21 | 2019 | 1 | 16.00 | 0.9022 | 14.44 | 270th |
| Asia-Pacific Open Golf Championship Diamond Cup Golf | ASA,JPN | 19 | 2019 | T49 | - | 0.8804 | - | 613rd |
| The Crowns | JPN | 18 | 2019 | T20 | - | 0.8696 | - | 601st |
| Token Homemate Cup | JPN | 16 | 2019 | T29 | - | 0.8478 | - | 584th |
| Bangabandhu Cup Golf Open | ASA | 14 | 2019 | T25 | - | 0.8261 | - | 574th |
| 100th New Zealand Open | ANZ,ASA | 9 | 2019 | T39 | - | 0.7717 | - | 549th |
| SMBC Singapore Open | ASA,JPN | 3 | 2019 | MC | - | 0.7065 | - | 521st |
| Casio World Open | JPN | 47 | 2018 | MC | - | 0.6196 | - | 531st |
| Dunlop Phoenix Tournament | JPN | 46 | 2018 | T44 | - | 0.6087 | - | 534th |
| Mitsui Sumitomo VISA Taiheiyo Masters | JPN | 45 | 2018 | MC | - | 0.5978 | - | 533rd |
| HEIWA PGM CHAMPIONSHIP | JPN | 44 | 2018 | T9 | 2.16 | 0.587 | 1.27 | 538th |
| Mynavi ABC Championship | JPN | 43 | 2018 | T10 | 1.92 | 0.5761 | 1.11 | 611st |
| Bridgestone Open | JPN | 42 | 2018 | T58 | - | 0.5652 | - | 704th |
| Japan Open Golf Championship | JPN | 41 | 2018 | T24 | 1.73 | 0.5543 | 0.96 | 702nd |
| Top Cup Tokai Classic | JPN | 39 | 2018 | T10 | 2.08 | 0.5326 | 1.11 | 798th |
| Asia-Pacific Diamond Cup Golf | ASA,JPN | 38 | 2018 | T21 | - | 0.5217 | - | 935th |
| ISPS Handa Match Play | JPN | 36 | 2018 | MC | - | 0.5 | - | 925th |
| Fujisankei Classic | JPN | 35 | 2018 | T48 | - | 0.4891 | - | 914th |
| RIZAP KBC Augusta | JPN | 34 | 2018 | T17 | 1.24 | 0.4783 | 0.59 | 911st |
| Shigeo Nagashima Invitational SEGA SAMMY Cup | JPN | 27 | 2018 | T55 | - | 0.4022 | - | 973rd |
| Dunlop SRIXON Fukushima Open | JPN | 25 | 2018 | T37 | - | 0.3804 | - | 951st |
| JGT Championship Mori Building Cup Shishido Hills | JPN | 22 | 2018 | MC | - | 0.3478 | - | 945th |
| Gate Way To The Open Mizuno Open at The Royal GC | JPN | 21 | 2018 | T34 | - | 0.337 | - | 926th |
| Kansai Open Golf Championship | JPN | 20 | 2018 | T51 | - | 0.3261 | - | 925th |
| Japan PGA Championship | JPN | 19 | 2018 | T6 | 2.56 | 0.3152 | 0.81 | 919th |
| The Crowns | JPN | 17 | 2018 | T10 | 2.16 | 0.2935 | 0.63 | 1216th |
| Token Homemate Cup | JPN | 15 | 2018 | MC | - | 0.2717 | - | 1975th |
| Leopalace21 Myanmar Open | ASA,JPN | 4 | 2018 | MC | - | 0.1522 | - | 1935th |
| SMBC Singapore Open | ASA,JPN | 3 | 2018 | MC | - | 0.1413 | - | 1929th |