Chin Wei Chan defeated Yurika Sema 6-4 6-2 in the Tsukuba 25K round of 32 on hard. The upset overturned the form book — Yurika Sema came in leading the head-to-head 2–1, but Chin Wei Chan had been the form player, winning 6 of their last 9 on hard. Chin Wei Chan narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-03-18 | Ipswich 25K | R32 | hard | Yurika Sema | 6-4 3-6 6-3 |
| 2012-04-30 | Gifu 50K | R32 | hard | Chin Wei Chan | 6-2 6-4 |
| 2008-02-25 | Fort Walton Beach FL 25K | R16 | hard | Yurika Sema | 6-2 6-1 |
Averages over each player's completed matches in the selected window (12 vs 11). 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