Ya Hsuan Lee defeated Chiaki Okadaue 6-1 6-3 in the Noto 25K round of 16 on carpet. The upset overturned the form book — Chiaki Okadaue came in leading the head-to-head 2–0. Ya Hsuan Lee claimed a first win over Chiaki Okadaue in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-05-26 | Changwon 25K | R32 | hard | Chiaki Okadaue | 7-6(5) 7-5 |
| 2013-08-05 | Izmir 25K | R32 | hard | Chiaki Okadaue | 4-6 6-1 6-4 |
Averages over each player's completed matches in the selected window (200 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. About