Nungnadda Wannasuk defeated Ji Hee Choi 6-3 6-0 in the Yeong Wol 10K round of 32 on hard. The upset overturned the form book — Ji Hee Choi came in leading the head-to-head 1–0, but Nungnadda Wannasuk had been the form player, winning 5 of their last 10 on hard. Nungnadda Wannasuk claimed a first win over Ji Hee Choi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-03-17 | Kofu 10K | R16 | hard | Ji Hee Choi | 7-6(3) 6-0 |
Averages over each player's completed matches in the selected window (1 vs 79). 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