Noppawan Lertcheewakarn defeated Zi Jun Yang 6-0 6-2 in the Gimcheon 25K round of 32 on hard. Noppawan Lertcheewakarn extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-09 | North Shore City 10K | R32 | hard | Zi Jun Yang | 6-4 6-1 |
| 2008-08-11 | Chiang Mai 10K | R16 | hard | Noppawan Lertcheewakarn | 7-5 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.