Martin Slanar defeated Jae Sung An 4-6 7-6 6-4 in the China F4 qualifying round on hard. The upset overturned the form book — Jae Sung An came in leading the head-to-head 1–0. Martin Slanar claimed a first win over Jae Sung An in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-06-25 | China F5 | QF | hard | Jae Sung An | 4-6 7-6(6) 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.