Yurika Sema defeated Yung Jan Chan 6-4 2-6 6-0 in the Gifu 50K qualifying round on hard. The upset overturned the form book — Yung Jan Chan came in leading the head-to-head 4–0. Yurika Sema claimed a first win over Yung Jan Chan in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-23 | Toyota 75K | QF | carpet | Yung Jan Chan | 6-1 6-4 |
| 2008-10-27 | Tokyo 50K | R32 | hard | Yung Jan Chan | 6-3 6-4 |
| 2007-11-26 | Xiamen 75K | R32 | hard | Yung Jan Chan | 6-3 7-6(3) |
| 2007-04-16 | Dothan AL 75K | R32 | clay | Yung Jan Chan | 6-3 6-2 |
Averages over each player's completed matches in the selected window (7 vs 42). 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. About