Yoon Jeong Cho defeated Shiho Hisamatsu 7-6 6-3 in the Nuriootpa 25K semi-final on hard. Yoon Jeong Cho extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-03-29 | Augusta GA 25K | R32 | hard | Shiho Hisamatsu | 7-5 7-6(3) |
| 2001-09-10 | Seoul 50K | QF | hard | Yoon Jeong Cho | 6-3 7-6(3) |
Averages over each player's completed matches in the selected window (11 vs 3). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About