Kai Chen Chang advanced when Noppawan Lertcheewakarn retired 6-3 1-0 in the Taipei 25K qualifying round. Kai Chen Chang extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-06-15 | Wimbledon | Q64 | grass | Kai Chen Chang | 6-4 6-4 |
| 2007-11-19 | Manila 10K | R32 | clay | Kai Chen Chang | 6-3 6-1 |
Averages over each player's completed matches in the selected window (120 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