Kosuke Hamamoto
BY YEAR
| Singha Laguna Phuket Open | ATGT | 42 | 2020 | 5 | 1.20 | 1 | 1.2 | 286th |
| 21st Singha Thailand Masters | ATGT | 38 | 2020 | MC | - | 1 | - | 277th |
| Singha Pattaya Open | ATGT | 33 | 2020 | T51 | - | 1 | - | 263rd |
| Thongchai Jaidee Foundation | ATGT | 28 | 2020 | MC | - | 0.9674 | - | 249th |
| Bandar Malaysia Open | ASA | 10 | 2020 | T4 | 3.45 | 0.9022 | 3.11 | 238th |
| New Zealand Open presented by Sky Sport | ANZ,ASA | 9 | 2020 | MC | - | 0.8913 | - | 267th |
| Singha E-San Open | ATGT | 6 | 2020 | 2 | 3.00 | 0.8587 | 2.58 | 260th |
| Boonchu Ruangkit Championship | ADT,ATGT | 4 | 2020 | T7 | 1.23 | 0.837 | 1.03 | 297th |
| SMBC Singapore Open | ASA,JPN | 3 | 2020 | T14 | 2.54 | 0.8261 | 2.1 | 309th |
| Hong Kong Open | ASA | 2 | 2020 | 54 | - | 0.8152 | - | 340th |
| Thailand Masters | ASA | 51 | 2019 | T12 | 1.37 | 0.7826 | 1.07 | 342nd |
| BNI Indonesian Masters | ASA | 50 | 2019 | MC | - | 0.7717 | - | 364th |
| Sabah Masters | ASA | 47 | 2019 | T21 | - | 0.7391 | - | 357th |
| Panasonic Open India | ASA,PGTI | 46 | 2019 | T37 | - | 0.7283 | - | 359th |
| Thailand Open | ASA | 45 | 2019 | T35 | - | 0.7174 | - | 356th |
| BG Bangkok Open | ATGT | 42 | 2019 | T5 | 1.20 | 0.6848 | 0.82 | 353rd |
| Singha Pattaya Open | ATGT | 41 | 2019 | T18 | - | 0.6739 | - | 367th |
| Mercuries Taiwan Masters | ASA | 40 | 2019 | T19 | - | 0.663 | - | 362nd |
| Classic Golf and Country Club International Championship | ASA,PGTI | 37 | 2019 | 12 | 1.20 | 0.6304 | 0.76 | 356th |
| Yeangder TPC | ASA | 36 | 2019 | 2 | 8.40 | 0.6196 | 5.2 | 385th |
| Bank BRI Indonesia Open | ASA | 35 | 2019 | T10 | 1.62 | 0.6087 | 0.99 | 604th |
| Ciputra Golfpreneur Tournament presented by Panasonic | ADT | 34 | 2019 | T16 | - | 0.5978 | - | 675th |
| Sarawak Championship | ASA | 33 | 2019 | T16 | 1.21 | 0.587 | 0.71 | 670th |
| Gunung Geulis Golf Invitational supported by Nomura | ADT | 31 | 2019 | T13 | - | 0.5652 | - | 743rd |
| Singha all Thailand Memorial | ATGT | 27 | 2019 | T2 | 2.50 | 0.5217 | 1.3 | 724th |
| PGM ADT Championship @ Tiara Melaka | ADT | 26 | 2019 | 9 | - | 0.5109 | - | 882nd |
| Singha all Thailand Championship | ATGT | 24 | 2019 | T16 | - | 0.4891 | - | 844th |
| Singha Classic | ATGT | 22 | 2019 | T25 | - | 0.4674 | - | 834th |
| Singha Laguna Phuket Open | ADT,ATGT | 20 | 2019 | T19 | - | 0.4457 | - | 819th |
| The 38th GS Caltex Maekyung Open Golf Championship | ASA,KOR | 18 | 2019 | T28 | - | 0.4239 | - | 800th |
| Butra Heidelberg Cement Brunei Championships | ADT | 17 | 2019 | T8 | 1.40 | 0.413 | 0.58 | 791st |
| PGM ADT Penang Championship | ADT | 16 | 2019 | T7 | - | 0.4022 | - | 907th |
| Bangabandhu Cup Golf Open | ASA | 14 | 2019 | MC | - | 0.3804 | - | 904th |
| 20th Singha Thailand Masters | ATGT | 10 | 2019 | T18 | - | 0.337 | - | 908th |
| Thongchai Jaidee Foundation | ADT,ATGT | 7 | 2019 | 2 | 3.60 | 0.3043 | 1.1 | 917th |
| Singha E-San Open | ATGT | 6 | 2019 | T18 | - | 0.2935 | - | 1441st |
| Boonchu Ruangkit Championship | ADT,ATGT | 2 | 2019 | T43 | - | 0.25 | - | 1464th |
| Queen's Cup hosted by Jaidee Foundation | ASA | 48 | 2018 | T11 | 1.56 | 0.1848 | 0.29 | 1495th |
| Asia-Pacific Diamond Cup Golf | ASA,JPN | 38 | 2018 | T45 | - | 0.0761 | - | 2035th |