Ryuichi Oiwa

Current Standing

Week ending Oct 11, 2026

Career Record

Career high

#216

Weeks ranked

567

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. Jul 5, 2026JAPAN PLAYERS CHAMPIONSHIP by Satosyokuhin40
2. Jun 18 – 21, 2026U.S. OPENMajor78-72MC
3. Jun 7, 2026BMW Japan Golf Tour Championship Mori Building Cup10
4. May 31, 2026Gate Way To The Open Mizuno Open—
5. May 24, 2026Japan PGA Championship Senko Group Cup31
6. May 17, 2026Kansai Open Golf Championship17
7. May 3, 2026The Crowns—
8. Apr 26, 2026MAEZAWA CUP—
9. Apr 12, 2026Token Homemate Cup—
10. Apr 5, 2026International Series Japan22
11. Mar 8, 2026ISPS HANDA Japan-Australasia Championship—
12. Mar 1, 2026105th New Zealand Open presented by Millbrook Resort—
13. Dec 7, 2025Golf Nippon Series JT Cup25
14. Nov 30, 2025Casio World Open Golf Tournament1
15. Nov 23, 2025Dunlop Phoenix Tournament31
16. Nov 16, 2025Mitsui Sumitomo VISA Taiheiyo Masters—
17. Nov 9, 2025ACN Championship Golf Tournament—
18. Nov 2, 2025FORTINET PLAYERS CUP6
19. Oct 19, 2025Japan Open Golf Championship55
20. Oct 5, 2025Vantelin Tokai Classic—
21. Sep 28, 2025Panasonic Open Golf Championship46
22. Sep 14, 2025The 41st Shinhan Donghae Open—
23. Sep 7, 2025LOPIA Fujisankei Classic—
24. Aug 31, 2025Sansan KBC Augusta Golf Tournament38
25. Aug 24, 2025ISPS HANDA Summer Golf Battle Tournamnet . Who's the Strongest2
26. Aug 17, 2025ISPS HANDA Explosion in the summer. How many birdies can you make31
27. Aug 3, 2025Richard Mille Charity Tournament47
28. Jun 29, 2025JAPAN PLAYERS CHAMPIONSHIP by Satosyokuhin2
29. Jun 8, 2025BMW Japan Golf Tour Championship Mori Building Cup—
30. Jun 1, 2025Gate Way To The Open Mizuno Open50
31. May 25, 2025Japan PGA Championship9
32. May 18, 2025Kansai Open Golf Championship10
33. May 4, 2025The Crowns36
34. Apr 27, 2025Maezawa Cup9
35. Apr 13, 2025Token Homemate Cup28
36. Nov 24, 2024Casio World Open Golf Tournament—
37. Oct 13, 2024Japan Open Golf Championship17
38. Oct 6, 2024ACN Championship Golf Tournament29
39. Sep 29, 2024Vantelin Tokai Classic—
40. Sep 22, 2024Panasonic Open Golf Championship40
41. Sep 15, 2024ANA Open Golf Tournament4
42. Sep 8, 2024PGM Challenge4
43. Sep 1, 2024Fujisankei Classic56
44. Aug 25, 2024Sansan KBC Augusta Golf Tournament5
45. Aug 11, 2024Yokohama Minato Championship Fujiki Centennial19
46. Jul 28, 2024Minami Akita CC Michinoku Challenge Tournament24
47. Jul 14, 2024Shigeo Nagashima Invitational Sega Sammy Cup Golf Tournament38
48. Jul 7, 2024Japan PGA Championship—
49. Jun 23, 2024JAPAN PLAYERS CHAMPIONSHIP by Satosyokuhin9
50. Jun 16, 2024Landic Challenge 112
51. Jun 9, 2024BMW Japan Golf Tour Championship Mori Building Cup—
52. Jun 2, 2024Taiheiyo Club Challenge Tournament19
53. May 26, 2024Gate Way To The Open Mizuno Open—
54. May 19, 2024Kansai Open Golf Championship—
55. May 12, 2024For The Players By The Players—
56. May 5, 2024JAPAN PLAYERS CHAMPIONSHIP CHALLENGE in FUKUI17
57. Apr 28, 2024i Golf Shaper Challenge in Tsukushigaoka61
58. Apr 7, 2024Novil Cup16
59. Mar 31, 2024Token Homemate Cup23
60. Nov 26, 2023Casio World Open Golf Tournament—
61. Nov 19, 2023Dunlop Phoenix Tournament—
62. Nov 12, 2023Mitsui Sumitomo VISA Taiheiyo Masters—
63. Nov 5, 2023Mynavi ABC Championship—
64. Oct 15, 2023Japan Open Golf Championship—
65. Oct 8, 2023ACN Championship Golf Tournament—
66. Oct 1, 2023Vantelin Tokai Classic—
67. Sep 24, 2023Panasonic Open Golf Championship71
68. Sep 17, 2023ANA Open Golf Tournament—
69. Sep 10, 2023Shinhan Donghae Open44
70. Sep 3, 2023Fujisankei Classic—
71. Aug 27, 2023Sansan KBC Augusta41
72. Aug 6, 2023Yokohama Minato Championship ~Fujiki Centennial~—
73. Jul 30, 2023Japan PGA Championship—
74. Jul 2, 2023Shigeo Nagashima INVITATIONAL Sega Sammy Cup—
75. Jun 25, 2023JAPAN PLAYERS CHAMPIONSHIP by Satosyokuhin70
76. Jun 18, 2023Hana Bank Invitational8
77. Jun 11, 2023ASO IIZUKA Challenged Golf Tournament—
78. Jun 4, 2023BMW Japan Golf Tour Championship Mori Building Cup—
79. May 28, 2023Gate Way To The Open Mizuno Open—
80. May 21, 2023Golf Partner Pro - Am Tournament—
81. Apr 30, 2023The Crowns57
82. Apr 23, 2023ISPS HANDA - CHAMPIONSHIP—
83. Apr 16, 2023Kansai Open Golf Championship—
84. Apr 2, 2023Token Homemate Cup—
85. Mar 19, 2023The DGC Open—
86. Mar 12, 2023International Series Thailand—
87. Mar 5, 2023102nd NZ Open Presented by Sky Sport—
88. Dec 4, 2022Golf Nippon Series JT Cup22
89. Nov 27, 2022Casio World Open Golf Tournament32
90. Nov 20, 2022Dunlop Phoenix Tournament22
91. Nov 13, 2022Mitsui Sumitomo VISA Taiheiyo Masters12
92. Nov 6, 2022Mynavi ABC Championship9
93. Oct 30, 2022Heiwa PGM Championship7
94. Oct 23, 2022Japan Open Golf Championship28
95. Oct 9, 2022For The Players By The Players2
96. Oct 2, 2022Vantelin Tokai Classic13
97. Sep 25, 2022Panasonic Open Golf Championship26
98. Sep 18, 2022ANA Open Golf Tournament28
99. Sep 11, 2022The 38th Shinhan Donghae Open—
100. Sep 4, 2022Fujisankei Classic47
101. Aug 28, 2022Sansan KBC Augusta—
102. Aug 21, 2022Shigeo Nagashima INVITATIONAL Sega Sammy Cup32
103. Aug 7, 2022Japan PGA Championship 202242
104. Jun 26, 2022JAPAN PLAYERS CHAMPIONSHIP by Sato Shokuhin58
105. Jun 12, 2022ASO IIZUKA Challenged Golf Tournament—
106. Jun 5, 2022BMW Japan Golf Tour Championship Mori Building Cup28
107. May 29, 2022Gate Way To The Open Mizuno Open10
108. May 22, 2022Golf Partner Pro-Am Tournament 2022—
109. May 15, 2022Asia Pacific Open Golf Championship Diamond Cup Golf18
110. May 1, 2022The Crowns29
111. Apr 24, 2022ISPS HANDA Championship in JAPAN—
112. Apr 17, 2022Kansai Open Golf Championship40
113. Apr 3, 2022Token Homemate Cup 2022—
114. Dec 5, 2021Golf Nippon Series JT Cup11
115. Nov 28, 2021Casio World Open37
116. Nov 21, 2021Dunlop Phoenix57
117. Nov 14, 2021Mitsui Sumitomo VISA Taiheiyo Masters43
118. Nov 7, 2021Mynavi ABC Championship—
119. Oct 31, 2021ISPS HANDA Gatsu-n to tobase Tour tournament52
120. Oct 24, 2021ZOZO CHAMPIONSHIP44
121. Oct 17, 2021Japan Open Golf Championship23
122. Oct 10, 2021Bridgestone Open—
123. Oct 3, 2021Vantelin Tokai Classic54
124. Sep 26, 2021Panasonic Open3
125. Sep 19, 2021ANA Open—
126. Sep 5, 2021Fujisankei Classic8
127. Aug 29, 2021Sansan KBC Augusta—
128. Aug 22, 2021Shigeo Nagashima Invitational Sega Sammy Cup—
129. Aug 1, 2021Minami Akita CC Michinoku Challenge38
130. Jul 11, 2021JAPAN PLAYERS CHAMPIONSHIP CHALLENGE—
131. Jun 27, 2021Dunlop SRIXON Fukushima Open4
132. Jun 20, 2021Japan Create Challenge in FukuokaRaizan19
133. Jun 6, 2021JGTC Mori Building Cup Shishido Hills3
134. May 30, 2021Gate Way To The Open Mizuno Open3
135. May 23, 2021Golf Partner Pro-Am Tournament—
136. May 9, 2021JAPAN PLAYERS CHAMPIONSHIP by Sato Shokuhin7
137. Apr 18, 2021Token Homemate Cup4
138. Nov 15, 2020Mitsui Sumitomo VISA Taiheiyo Masters19
139. Oct 25, 2020Delight Works Challenge—
140. Oct 11, 2020Ryo Ishikawa everyone PROJECT9
141. Oct 4, 2020TI Challenge54
142. Sep 20, 2020PGM Challenge II—
143. Sep 6, 2020Fujisankei Classic34
144. Mar 8, 2020Bandar Malaysia Open—
145. Jan 26, 2020Boonchu Ruangkit Championship—
146. Dec 29, 2019Taifong Open—
147. Dec 1, 2019PGM Maybank ADT Championship5
148. Nov 24, 2019PGM MIDF ADT Championship16
149. Oct 27, 2019JGTO Novil Final3
150. Oct 6, 2019Top Cup Tokai Classic—
151. Sep 29, 2019Combiphar Players Championship1
152. Sep 22, 2019HEIWA PGM Challenge II Road to CHAMPIONSHIP57
153. Sep 15, 2019Delight Works ASP Challenge15
154. Sep 8, 2019Fujisankei Classic—
155. Sep 1, 2019RIZAP KBC Augusta—
156. Aug 25, 2019Ciputra Golfpreneur Tournament presented by Panasonic51
157. Aug 4, 2019TI Challenge in Tojonomori—
158. Jun 30, 2019Daisendori Cup9
159. Jun 23, 2019Minamiakita CC Michinoku Challenge—
160. Jun 16, 2019LANDIC CHALLENGE 758
161. Jun 2, 2019Taiheiyo Club Challenge Tournament2
162. Apr 28, 2019Butra Heidelberg Cement Brunei Championships—
163. Apr 21, 2019PGM ADT Penang Championship7
164. Mar 17, 2019PGM UMW ADT Championship22
165. Mar 10, 2019PGM ADT Johor Championship9
166. Oct 21, 2018Bridgestone Open18
167. Oct 22, 2017Bridgestone Open86
168. Oct 16, 2016Japan Open Golf Championship—
169. Oct 11, 2015HONMA TOURWORLD CUP AT TROPHIA GOLF　2015—
170. Sep 6, 2015Fujisankei 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#406#30541
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