Yi Fan Xu defeated So Jung Kim 6-2 6-3 in the Changwon 25K semi-final on hard. Yi Fan Xu extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-21 | Changwon 25K | R32 | hard | So Jung Kim | 6-1 6-7(0) 6-2 |
| 2012-04-30 | Gifu 50K | R32 | hard | So Jung Kim | 6-4 6-3 |
| 2011-09-12 | Ningbo 100K | R32 | hard | Yi Fan Xu | 6-3 6-3 |
| 2010-05-17 | Karuizawa 25K | QF | carpet | Yi Fan Xu | 6-2 4-6 6-3 |
Averages over each player's completed matches in the selected window (43 vs 3). 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