Takahiro Terachi defeated Jae Sung An 7-5 7-6 in the Japan F3 round of 16 on carpet. The upset overturned the form book — Jae Sung An came in leading the head-to-head 1–0. Takahiro Terachi 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 |
|---|---|---|---|---|---|
| 2007-04-16 | Japan F5 | SF | carpet | Jae Sung An | 4-6 6-3 7-6(8) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.