Boy Westerhof defeated Young Seok Kim 6-2 6-4 in the China F3 round of 32 on clay. The upset overturned the form book — Young Seok Kim came in leading the head-to-head 1–0. Boy Westerhof claimed a first win over Young Seok Kim in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-04-06 | China F2 | QF | clay | Young Seok Kim | 6-4 2-6 6-4 |
Averages over each player's completed matches in the selected window (23 vs 87). 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