So Jung Kim defeated Chin Wei Chan 7-6 6-2 in the Yamaguchi 10K final on clay. So Jung Kim extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-09-10 | Ningbo 100K | Q32 | hard | Chin Wei Chan | 6-4 6-4 |
| 2012-08-27 | Tsukuba 25K | R16 | hard | So Jung Kim | 6-0 6-3 |
| 2011-08-29 | Tsukuba 25K | R16 | hard | Chin Wei Chan | 6-3 6-3 |
| 2007-05-28 | Gunma 25K | R32 | carpet | So Jung Kim | 7-5 6-3 |
Averages over each player's completed matches in the selected window (5 vs 15). 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