Yung Jan Chan defeated Tomoko Yonemura 6-1 6-4 in the Taipei 100K round of 16 on hard. The result followed the form book — Yung Jan Chan came in leading the head-to-head 1–0. Yung Jan Chan extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-05 | Tokyo 100K | R32 | hard | Yung Jan Chan | 6-2 6-4 |
Averages over each player's completed matches in the selected window (74 vs 2). 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