Koki Ishihara

Current standing

Week ending Aug 16, 2026

Tournament results

68 ranking events since 2018. MC is a missed cut and WD a withdrawal, shown where the scorecard evidences it; a dash means no finishing position was recorded.

1. 2026-05Japan PGA Championship Senko Group Cup—
2. 2025-07Minami Akita CC Michinoku Challenge Tournament—
3. 2025-06Taiheiyo Club Challenge Tournament35
4. 2024-05Gate Way To The Open Mizuno Open—
5. 2023-10elite grips challenge26
6. 2023-09DUNLOP PHOENIX tournament challenge in Fukushima15
7. 2023-06Landic Challenge 10—
8. 2023-05Taiheiyo Club Challenge Tournament—
9. 2022-10Japan Open Golf Championship36
10. 2022-10Delight Works JGTO FINAL67
11. 2022-10For The Players By The Players25
12. 2022-10Elite grips challenge—
13. 2022-09ISPS HANDA Hero ni nare! Challenge Tournament—
14. 2022-09PGM Challenge19
15. 2022-09DUNLOP PHOENIX tournament challenge in Fukushima18
16. 2022-07Minami Akita Country Club Michinoku Challenge Tournament—
17. 2022-07JAPAN PLAYERS CHAMPIONSHIP CHALLENGE in FUKUI 202245
18. 2022-06JAPAN PLAYERS CHAMPIONSHIP by Sato Shokuhin—
19. 2022-06Japan Create Challenge in FukuokaRaizan—
20. 2022-06LANDIC CHALLENGE 9—
21. 2022-05Taiheiyo Club Challenge Tournament—
22. 2022-04ISPS HANDA Championship in JAPAN48
23. 2022-04Novil Cup—
24. 2021-10Ryo Ishikawa everyone PROJECT Challenge—
25. 2021-10TI Challenge in Tojonomori11
26. 2021-09ISPS HANDA Hero ni nare! Challenge Tournament41
27. 2021-09PGM Challenge11
28. 2021-08Minami Akita CC Michinoku Challenge—
29. 2021-07JAPAN PLAYERS CHAMPIONSHIP CHALLENGE—
30. 2021-06Daisendori Cup—
31. 2021-05Taiheiyo Club Challenge Tournament—
32. 2021-04i Golf Shaper Challenge in Chikushigaoka22
33. 2020-10Delight Works Challenge—
34. 2020-10TI Challenge50
35. 2020-09PGM Challenge II—
36. 2019-10Macau Championship47
37. 2019-08PGM Northport ADT Championship8
38. 2019-07Dongguan Open34
39. 2019-07Guangzhou Open—
40. 2019-07Tianjin Binhai Forest Open—
41. 2019-06Beijing Open—
42. 2019-06Huangshan Championship9
43. 2019-06KEB Hana Bank Invitational—
44. 2019-05Nantong Championship—
45. 2019-05Qinhuangdao Championship—
46. 2019-05Beijing Championship—
47. 2019-04Shenzhou Peninsula Open72
48. 2019-04Bo Ao Open—
49. 2019-03PGM UMW ADT Championship—
50. 2018-12PGM Maybank Championship—
51. 2018-11Combiphar Players Championship—
52. 2018-10Clearwater Bay Open—
53. 2018-10Zhuhai Championship—
54. 2018-09Macau Championship26
55. 2018-09Suzhou Championship43
56. 2018-08Taifong Open—
57. 2018-08PGM Sabah Championship27
58. 2018-07Qingdao Championship—
59. 2018-07Yantai Championship—
60. 2018-06Kunming Championship—
61. 2018-06Guilin Championship—
62. 2018-05Haikou Championship37
63. 2018-05Changsha Championship—
64. 2018-04PGM Johor Championship—
65. 2018-03Chongqing Championship—
66. 2018-03Chengdu Championship—
67. 2018-03Richard Mille Brunei Championships—
68. 2018-01PGM Darulaman Championship41