Riko Sawayanagi defeated Kristie Ahn 1-6 7-6 6-3 in the Seoul $50K qualifying round on hard. The upset overturned the form book — Kristie Ahn came in leading the head-to-head 1–0. Riko Sawayanagi claimed a first win over Kristie Ahn in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-01-12 | Plantation FL $25K | R16 | clay | Kristie Ahn | 7-6(5) 6-0 |
Averages over each player's completed matches in the selected window (12 vs 111). 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