Kosuke Hamamoto

Current Standing

Week ending Oct 11, 2026

Career Record

Career high

#238

Weeks ranked

554

Ranked since

2015

Ranking events

168

Wins

1

Career high, weeks at number one and weeks ranked are counted from the weekly ranking itself. Ranking events and wins are as published by OWGR, and cover events that predate our tournament records.

Tournament Results

168 ranking events since 2015. MC is a missed cut and WD a withdrawal, shown where the scorecard evidences it; a dash means no finishing position was recorded.

1. Jul 26, 2026HCT ADT Open—
2. Jul 19, 2026Ambassador ADT Open41
3. Jul 12, 2026Ever Glory ADT Open47
4. May 31, 2026am green IGPL Morocco Rising Stars52
5. May 17, 2026Singha Laguna Phuket Open—
6. May 10, 2026ADT Players Championship presented by The R&A36
7. May 3, 2026Singha Championship23
8. Apr 26, 2026Singapore Open presented by The Business Times—
9. Apr 5, 2026International Series Japan—
10. Mar 22, 2026Nam A Bank Vietnam Masters21
11. Feb 15, 2026PKNS Selangor Masters20
12. Feb 8, 2026Philippine Golf Championship presented by Philippine Sports Commission—
13. Dec 14, 2025Saudi Open presented by PIF59
14. Dec 7, 202553rd Thailand Open4
15. Nov 30, 2025Bharath Classic Gujarat28
16. Nov 23, 202526th Singha Thailand Masters10
17. Nov 16, 2025Taiwan Glass Taifong Open27
18. Nov 9, 2025Moutai Singapore Open—
19. Oct 26, 2025International Series Philippines60
20. Oct 19, 2025SJM Macao Open—
21. Sep 7, 2025Singha Bangkok Open27
22. Aug 31, 2025Mandiri Indonesia Open—
23. Aug 24, 2025Ciputra Golfpreneur Tournament5
24. Aug 17, 2025Singha Pattaya Open25
25. Aug 3, 2025Singha Championship14
26. Jul 20, 2025Singha E-San Open3
27. Jul 6, 2025International Series Morocco—
28. May 25, 2025Singha Laguna Phuket Open—
29. May 18, 2025Trang An Open2
30. May 11, 2025International Series Japan presented by Moutai—
31. May 4, 2025Singha Chiang Mai Open6
32. Apr 6, 2025Singha all Thailand Memorial24
33. Mar 23, 2025International Series Macau presented by Wynn—
34. Feb 16, 202525th Singha Thailand Masters51
35. Feb 2, 2025International Series India presented by DLF57
36. Jan 26, 2025Smart Infinity Philippine Open24
37. Dec 1, 2024Aramco Invitational Tournament25
38. Nov 24, 2024Toyota Tour Championship17
39. Nov 17, 2024Taiwan Glass Taifong Open12
40. Nov 10, 2024Ambassador ADT Open2
41. Nov 3, 2024BNI Indonesian Masters44
42. Oct 27, 2024International Series Thailand—
43. Oct 20, 2024Black Mountain Championship—
44. Oct 13, 2024SJM Macao Open34
45. Sep 29, 2024ADT Players Championship presented by The R&A6
46. Sep 15, 2024The Indonesia Pro-Am presented by Combiphar & Nomura49
47. Sep 8, 2024Singha Bangkok Open5
48. Sep 1, 2024BRG Open Golf Championship23
49. Aug 25, 2024BNI Ciputra Golfpreneur Tournament28
50. Aug 18, 2024Singha Pattaya Open2
51. Aug 11, 2024International Series England65
52. Jul 28, 2024Singha Chiang Mai Open—
53. Jul 7, 2024International Series Morocco37
54. Jun 23, 2024PKNS Selangor Masters7
55. Jun 16, 2024Nam A Bank Vietnam Masters19
56. May 12, 2024Singha Laguna Phuket Open—
57. May 5, 2024ADT - All Thailand Partnership Trophy5
58. Apr 21, 2024Saudi Open presented by PIF—
59. Apr 7, 2024Singha Championship15
60. Mar 17, 2024Lexus Challenge11
61. Feb 18, 2024IRS Prima Malaysian Open—
62. Jan 28, 202410th Boonchu Ruangkit Championship17
63. Dec 17, 2023Saudi Open presented by Public Investment Fund32
64. Dec 10, 202351st Thailand Open3
65. Dec 3, 2023Taiwan Glass Taifong Open21
66. Nov 19, 2023BNI Indonesian Masters presented by Tunas Niaga Energi56
67. Nov 12, 2023Hong Kong Open53
68. Nov 5, 2023Volvo China Open—
69. Oct 15, 2023SJM Macao Open59
70. Oct 8, 2023International Series Singapore59
71. Oct 1, 2023Mercuries Taiwan Masters—
72. Sep 24, 2023Yeangder TPC9
73. Sep 10, 2023Shinhan Donghae Open40
74. Aug 27, 2023St Andrews Bay Championship21
75. Aug 20, 2023International Series England62
76. Aug 6, 2023Mandiri Indonesia Open58
77. Jul 16, 2023Singha Pattaya Open19
78. Jul 9, 2023ADT - All Thailand Partnership Trophy1
79. Jun 25, 2023Kolon The 65th Korea Open Golf Championship—
80. Jun 11, 2023Singha Chiang Mai Open17
81. May 28, 2023Singha Laguna Phuket Open11
82. May 7, 2023The 42nd GS Caltex Maekyung Open Golf Championship—
83. Apr 23, 2023Singha Classic10
84. Apr 16, 2023International Series Vietnam53
85. Mar 26, 2023World City Championship presented by Hong Kong Golf Club—
86. Mar 19, 2023The DGC Open37
87. Mar 12, 2023International Series Thailand41
88. Feb 19, 2023International Series Qatar—
89. Feb 12, 2023International Series Oman—
90. Feb 5, 2023PIF Saudi International powered by Softbank Investment Advisers56
91. Dec 4, 2022BNI Indonesian Masters presented by Tunas Niaga Energi6
92. Nov 27, 2022Bangabandhu Cup Golf Bangladesh Open2
93. Nov 20, 202223rd Singha Thailand Masters4
94. Nov 13, 2022International Series Egypt21
95. Nov 6, 2022International Series Morocco12
96. Oct 16, 2022Singha Bangkok Open7
97. Oct 2, 2022Mercuries Taiwan Masters53
98. Sep 25, 2022Yeangder TPC—
99. Sep 11, 2022The 38th Shinhan Donghae Open58
100. Sep 4, 202250th Thailand Open21
101. Aug 14, 2022International Series Singapore—
102. Aug 7, 2022Mandiri Indonesia Open 2022—
103. Jul 31, 2022Singha Championship 2022—
104. Jul 24, 2022Singha Pattaya Open 2022—
105. Jun 26, 2022Kolon The 64th Korea Open—
106. Jun 5, 2022International Series England9
107. May 15, 2022Asia Pacific Open Golf Championship Diamond Cup Golf37
108. May 1, 2022Singha Classic 2022—
109. Apr 17, 2022Trust Golf Asian Mixed Stableford Challenge—
110. Apr 10, 2022Trust Golf Asian Mixed Cup20
111. Mar 6, 2022International Series Thailand—
112. Feb 27, 2022Royal's Cup 202212
113. Feb 6, 2022PIF Saudi International powered by SoftBank Investment Advisers—
114. Jan 23, 2022SMBC Singapore Open9
115. Jan 16, 2022The Singapore International5
116. Dec 19, 202122nd Singha Thailand Masters15
117. Dec 5, 2021Laguna Phuket Championship 202118
118. Nov 28, 2021Blue Canyon Phuket Championship 202115
119. Nov 21, 2021Singha Chiang Mai Open 20215
120. Nov 7, 2021Singha E-San Open 20219
121. Oct 31, 2021Thailand Open 20217
122. Oct 24, 2021Singha Pattaya Open 20219
123. Oct 10, 2021Singha Laguna Phuket Open16
124. Sep 26, 2021Singha all Thailand Championship 20218
125. Mar 7, 2021Boonchu Ruangkit Championship12
126. Oct 18, 2020Singha Laguna Phuket Open5
127. Sep 20, 202021st Singha Thailand Masters—
128. Aug 16, 2020Singha Pattaya Open51
129. Jul 12, 2020Thongchai Jaidee Foundation—
130. Mar 8, 2020Bandar Malaysia Open4
131. Mar 1, 2020New Zealand Open presented by Sky Sport—
132. Feb 9, 2020Singha E-San Open2
133. Jan 26, 2020Boonchu Ruangkit Championship7
134. Jan 19, 2020SMBC Singapore Open14
135. Jan 12, 2020Hong Kong Open54
136. Dec 22, 2019Thailand Masters12
137. Dec 15, 2019BNI Indonesian Masters—
138. Nov 24, 2019Sabah Masters21
139. Nov 17, 2019Panasonic Open India37
140. Nov 10, 2019Thailand Open35
141. Oct 20, 2019BG Bangkok Open5
142. Oct 13, 2019Singha Pattaya Open18
143. Oct 6, 2019Mercuries Taiwan Masters19
144. Sep 15, 2019Classic Golf and Country Club International Championship12
145. Sep 8, 2019Yeangder TPC2
146. Sep 1, 2019Bank BRI Indonesia Open10
147. Aug 25, 2019Ciputra Golfpreneur Tournament presented by Panasonic16
148. Aug 18, 2019Sarawak Championship16
149. Aug 4, 2019Gunung Geulis Golf Invitational supported by Nomura13
150. Jul 7, 2019Singha all Thailand Memorial2
151. Jun 30, 2019PGM ADT Championship @ Tiara Melaka9
152. Jun 16, 2019Singha all Thailand Championship16
153. Jun 2, 2019Singha Classic25
154. May 19, 2019Singha Laguna Phuket Open19
155. May 5, 2019The 38th GS Caltex Maekyung Open Golf Championship28
156. Apr 28, 2019Butra Heidelberg Cement Brunei Championships8
157. Apr 21, 2019PGM ADT Penang Championship7
158. Apr 7, 2019Bangabandhu Cup Golf Open—
159. Mar 10, 201920th Singha Thailand Masters18
160. Feb 17, 2019Thongchai Jaidee Foundation2
161. Feb 10, 2019Singha E-San Open18
162. Jan 13, 2019Boonchu Ruangkit Championship43
163. Dec 2, 2018Queen's Cup hosted by Jaidee Foundation11
164. Sep 23, 2018Asia-Pacific Diamond Cup Golf45
165. Jul 29, 2018Royal Cup—
166. Jul 1, 2018Queen's Cup presented by Bangchak—
167. Jun 21, 2015Queen’s Cup—
168. Jun 14, 2015THE SINGHA CORPORATION THAILAND OPEN—

Tournament Wins

1 win in ranking events since 1986. Recovered from the weekly world ranking, so wins before it began are not counted.

1. ADT - All Thailand Partnership TrophyJul 9, 2023

Season by Season

1. 2026#1271#90641
2. 2025#910#69552
3. 2024#716#63252
4. 2023#633#52152
5. 2022#535#53552
6. 2021#779#32752
7. 2020#327#23840
8. 2019#339#33952
9. 2018#1480#148027
10. 2017#1925#186653
11. 2016#1866#171152
12. 2015#1711#159929