Ko-yen Chang Chien

Current Standing

Week ending Oct 4, 2026

Career Record

Career high

#2057

Weeks ranked

8

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

27 ranking events since 2024. MC is a missed cut and WD a withdrawal, shown where the scorecard evidences it; a dash means no finishing position was recorded.

1. Aug 16, 2026CHAU-SHI Series - Wealthy Family Open40
2. Aug 9, 2026CHAU-SHI Series - Qing Lian HDF Open7
3. Jul 26, 2026HCT ADT Open—
4. Jul 19, 2026Ambassador ADT Open—
5. Jul 12, 2026Ever Glory ADT Open—
6. Jul 5, 2026ThreeBond TPGA Challenge Tour - Dingyue Jipin Open—
7. Jun 7, 2026CHAU-SHI Series - Mizuno Open48
8. May 31, 2026Chau-Shi Series GIANT Open—
9. May 17, 2026Sun Flower & TPGA Championship36
10. May 10, 2026Taiwan Glass Taifong Open—
11. Mar 29, 2026CHAU-SHI Series - Chang Wah Open31
12. Dec 21, 2025Tian Zheng Chang Wah TPGA Pro-Am Legacy Tournament4
13. Dec 14, 2025HONGYUNLANG · Straits Cup Xiamen Open—
14. Oct 5, 2025CHAU-SHI Series Wealthy Family Open36
15. Sep 21, 2025Yeangder Tournament Players Championship—
16. Sep 14, 2025CHAU-SHI Series - GIANT Open31
17. Aug 17, 2025Trustgolf Asian Mixed 2—
18. Aug 10, 2025CHAU-SHI Series Qing Lian HDF Open40
19. Aug 3, 2025CHAU-SHI Series Chasing Dream Open24
20. Jul 20, 2025CHAU-SHI Series Din Yue Open—
21. Jul 6, 2025CHAU-SHI Series Da Jia Charity Open—
22. Jun 29, 2025CHAU-SHI Series - Nan Pao Open13
23. Jun 8, 2025CHAU-SHI Series Mizuno Open36
24. Jun 1, 2025Ambassador ADT—
25. May 11, 2025Sun Flower & TPGA Championship17
26. Mar 30, 2025CHAU-SHI Series Chang Wah Open—
27. Nov 10, 2024Ambassador ADT Open—