Sachie Ishizu defeated Akiko Yonemura 7-5 6-0 in the Tsukuba 25K round of 32 on hard. The result followed the form book — Sachie Ishizu came in leading the head-to-head 3–0. Sachie Ishizu extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-23 | Niigata 25K | QF | hard | Sachie Ishizu | 6-2 6-2 |
| 2010-05-10 | Kurume 50K | R16 | grass | Sachie Ishizu | 6-3 6-4 |
| 2010-03-22 | Kofu 10K | F | hard | Sachie Ishizu | 1-6 6-1 6-0 |
Averages over each player's completed matches in the selected window (12 vs 1). 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