Kokoro Isomura defeated Woobin Shin 3-6 6-3 7-6 in the M15 Harmon 1 round of 32 on hard. Kokoro Isomura extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-06-19 | M25 Changwon 1 | R32 | hard | Woobin Shin | 6-3 |
| 2023-01-25 | M15 Jakarta 2 | R32 | hard | Kokoro Isomura | 7-6(4) 7-6(3) |
Averages over each player's completed matches in the selected window (136 vs 110). ATP, WTA & Challenger.
Isomura K.: 12 days rest · 3 matches (14d) · Shin W.: 12 days rest · 1 match (14d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About