Ryuichi Oiwa

Current standing

Week ending Aug 30, 2026

Career record

Career high

#216

Weeks ranked

561

Ranked since

2015

Ranking events

170

Wins

2

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

170 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. Scores and round-by-round cards are shown where we hold them.

1. 2026-07JAPAN PLAYERS CHAMPIONSHIP by Satosyokuhin40
2. 2026-06U.S. OPENMajor78-72MC
3. 2026-06BMW Japan Golf Tour Championship Mori Building Cup10
4. 2026-05Gate Way To The Open Mizuno Open—
5. 2026-05Japan PGA Championship Senko Group Cup31
6. 2026-05Kansai Open Golf Championship17
7. 2026-05The Crowns—
8. 2026-04MAEZAWA CUP—
9. 2026-04Token Homemate Cup—
10. 2026-04International Series Japan22
11. 2026-03ISPS HANDA Japan-Australasia Championship—
12. 2026-03105th New Zealand Open presented by Millbrook Resort—
13. 2025-12Golf Nippon Series JT Cup25
14. 2025-11Casio World Open Golf Tournament1
15. 2025-11Dunlop Phoenix Tournament31
16. 2025-11Mitsui Sumitomo VISA Taiheiyo Masters—
17. 2025-11ACN Championship Golf Tournament—
18. 2025-11FORTINET PLAYERS CUP6
19. 2025-10Japan Open Golf Championship55
20. 2025-10Vantelin Tokai Classic—
21. 2025-09Panasonic Open Golf Championship46
22. 2025-09The 41st Shinhan Donghae Open—
23. 2025-09LOPIA Fujisankei Classic—
24. 2025-08Sansan KBC Augusta Golf Tournament38
25. 2025-08ISPS HANDA Summer Golf Battle Tournamnet . Who's the Strongest2
26. 2025-08ISPS HANDA Explosion in the summer. How many birdies can you make31
27. 2025-08Richard Mille Charity Tournament47
28. 2025-06JAPAN PLAYERS CHAMPIONSHIP by Satosyokuhin2
29. 2025-06BMW Japan Golf Tour Championship Mori Building Cup—
30. 2025-06Gate Way To The Open Mizuno Open50
31. 2025-05Japan PGA Championship9
32. 2025-05Kansai Open Golf Championship10
33. 2025-05The Crowns36
34. 2025-04Maezawa Cup9
35. 2025-04Token Homemate Cup28
36. 2024-11Casio World Open Golf Tournament—
37. 2024-10Japan Open Golf Championship17
38. 2024-10ACN Championship Golf Tournament29
39. 2024-09Vantelin Tokai Classic—
40. 2024-09Panasonic Open Golf Championship40
41. 2024-09ANA Open Golf Tournament4
42. 2024-09PGM Challenge4
43. 2024-09Fujisankei Classic56
44. 2024-08Sansan KBC Augusta Golf Tournament5
45. 2024-08Yokohama Minato Championship Fujiki Centennial19
46. 2024-07Minami Akita CC Michinoku Challenge Tournament24
47. 2024-07Shigeo Nagashima Invitational Sega Sammy Cup Golf Tournament38
48. 2024-07Japan PGA Championship—
49. 2024-06JAPAN PLAYERS CHAMPIONSHIP by Satosyokuhin9
50. 2024-06Landic Challenge 112
51. 2024-06BMW Japan Golf Tour Championship Mori Building Cup—
52. 2024-06Taiheiyo Club Challenge Tournament19
53. 2024-05Gate Way To The Open Mizuno Open—
54. 2024-05Kansai Open Golf Championship—
55. 2024-05For The Players By The Players—
56. 2024-05JAPAN PLAYERS CHAMPIONSHIP CHALLENGE in FUKUI17
57. 2024-04i Golf Shaper Challenge in Tsukushigaoka61
58. 2024-04Novil Cup16
59. 2024-03Token Homemate Cup23
60. 2023-11Casio World Open Golf Tournament—
61. 2023-11Dunlop Phoenix Tournament—
62. 2023-11Mitsui Sumitomo VISA Taiheiyo Masters—
63. 2023-11Mynavi ABC Championship—
64. 2023-10Japan Open Golf Championship—
65. 2023-10ACN Championship Golf Tournament—
66. 2023-10Vantelin Tokai Classic—
67. 2023-09Panasonic Open Golf Championship71
68. 2023-09ANA Open Golf Tournament—
69. 2023-09Shinhan Donghae Open44
70. 2023-09Fujisankei Classic—
71. 2023-08Sansan KBC Augusta41
72. 2023-08Yokohama Minato Championship ~Fujiki Centennial~—
73. 2023-07Japan PGA Championship—
74. 2023-07Shigeo Nagashima INVITATIONAL Sega Sammy Cup—
75. 2023-06JAPAN PLAYERS CHAMPIONSHIP by Satosyokuhin70
76. 2023-06Hana Bank Invitational8
77. 2023-06ASO IIZUKA Challenged Golf Tournament—
78. 2023-06BMW Japan Golf Tour Championship Mori Building Cup—
79. 2023-05Gate Way To The Open Mizuno Open—
80. 2023-05Golf Partner Pro - Am Tournament—
81. 2023-04The Crowns57
82. 2023-04ISPS HANDA - CHAMPIONSHIP—
83. 2023-04Kansai Open Golf Championship—
84. 2023-04Token Homemate Cup—
85. 2023-03The DGC Open—
86. 2023-03International Series Thailand—
87. 2023-03102nd NZ Open Presented by Sky Sport—
88. 2022-12Golf Nippon Series JT Cup22
89. 2022-11Casio World Open Golf Tournament32
90. 2022-11Dunlop Phoenix Tournament22
91. 2022-11Mitsui Sumitomo VISA Taiheiyo Masters12
92. 2022-11Mynavi ABC Championship9
93. 2022-10Heiwa PGM Championship7
94. 2022-10Japan Open Golf Championship28
95. 2022-10For The Players By The Players2
96. 2022-10Vantelin Tokai Classic13
97. 2022-09Panasonic Open Golf Championship26
98. 2022-09ANA Open Golf Tournament28
99. 2022-09The 38th Shinhan Donghae Open—
100. 2022-09Fujisankei Classic47
101. 2022-08Sansan KBC Augusta—
102. 2022-08Shigeo Nagashima INVITATIONAL Sega Sammy Cup32
103. 2022-08Japan PGA Championship 202242
104. 2022-06JAPAN PLAYERS CHAMPIONSHIP by Sato Shokuhin58
105. 2022-06ASO IIZUKA Challenged Golf Tournament—
106. 2022-06BMW Japan Golf Tour Championship Mori Building Cup28
107. 2022-05Gate Way To The Open Mizuno Open10
108. 2022-05Golf Partner Pro-Am Tournament 2022—
109. 2022-05Asia Pacific Open Golf Championship Diamond Cup Golf18
110. 2022-05The Crowns29
111. 2022-04ISPS HANDA Championship in JAPAN—
112. 2022-04Kansai Open Golf Championship40
113. 2022-04Token Homemate Cup 2022—
114. 2021-12Golf Nippon Series JT Cup11
115. 2021-11Casio World Open37
116. 2021-11Dunlop Phoenix57
117. 2021-11Mitsui Sumitomo VISA Taiheiyo Masters43
118. 2021-11Mynavi ABC Championship—
119. 2021-10ISPS HANDA Gatsu-n to tobase Tour tournament52
120. 2021-10ZOZO CHAMPIONSHIP44
121. 2021-10Japan Open Golf Championship23
122. 2021-10Bridgestone Open—
123. 2021-10Vantelin Tokai Classic54
124. 2021-09Panasonic Open3
125. 2021-09ANA Open—
126. 2021-09Fujisankei Classic8
127. 2021-08Sansan KBC Augusta—
128. 2021-08Shigeo Nagashima Invitational Sega Sammy Cup—
129. 2021-08Minami Akita CC Michinoku Challenge38
130. 2021-07JAPAN PLAYERS CHAMPIONSHIP CHALLENGE—
131. 2021-06Dunlop SRIXON Fukushima Open4
132. 2021-06Japan Create Challenge in FukuokaRaizan19
133. 2021-06JGTC Mori Building Cup Shishido Hills3
134. 2021-05Gate Way To The Open Mizuno Open3
135. 2021-05Golf Partner Pro-Am Tournament—
136. 2021-05JAPAN PLAYERS CHAMPIONSHIP by Sato Shokuhin7
137. 2021-04Token Homemate Cup4
138. 2020-11Mitsui Sumitomo VISA Taiheiyo Masters19
139. 2020-10Delight Works Challenge—
140. 2020-10Ryo Ishikawa everyone PROJECT9
141. 2020-10TI Challenge54
142. 2020-09PGM Challenge II—
143. 2020-09Fujisankei Classic34
144. 2020-03Bandar Malaysia Open—
145. 2020-01Boonchu Ruangkit Championship—
146. 2019-12Taifong Open—
147. 2019-12PGM Maybank ADT Championship5
148. 2019-11PGM MIDF ADT Championship16
149. 2019-10JGTO Novil Final3
150. 2019-10Top Cup Tokai Classic—
151. 2019-09Combiphar Players Championship1
152. 2019-09HEIWA PGM Challenge II Road to CHAMPIONSHIP57
153. 2019-09Delight Works ASP Challenge15
154. 2019-09Fujisankei Classic—
155. 2019-09RIZAP KBC Augusta—
156. 2019-08Ciputra Golfpreneur Tournament presented by Panasonic51
157. 2019-08TI Challenge in Tojonomori—
158. 2019-06Daisendori Cup9
159. 2019-06Minamiakita CC Michinoku Challenge—
160. 2019-06LANDIC CHALLENGE 758
161. 2019-06Taiheiyo Club Challenge Tournament2
162. 2019-04Butra Heidelberg Cement Brunei Championships—
163. 2019-04PGM ADT Penang Championship7
164. 2019-03PGM UMW ADT Championship22
165. 2019-03PGM ADT Johor Championship9
166. 2018-10Bridgestone Open18
167. 2017-10Bridgestone Open86
168. 2016-10Japan Open Golf Championship—
169. 2015-10HONMA TOURWORLD CUP AT TROPHIA GOLF　2015—
170. 2015-09Fujisankei Classic—

Tournament wins

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

1. Casio World Open Golf TournamentNov 30, 2025
2. Combiphar Players ChampionshipSep 29, 2019

Season by season

1. 2026#439#30535
2. 2025#306#30052
3. 2024#722#69852
4. 2023#832#36952
5. 2022#368#22452
6. 2021#225#21652
7. 2020#674#57740
8. 2019#581#58152
9. 2018#1587#158752
10. 2017#1925#186653
11. 2016#1866#171152
12. 2015#1711#167217