Sa Chen defeated Kento Takeuchi 6-3 6-4 in the Korean Rep F4 round of 16 on hard. The upset overturned the form book — Kento Takeuchi came in leading the head-to-head 1–0. Sa Chen claimed a first win over Kento Takeuchi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-06-16 | Japan F5 | R32 | carpet | Kento Takeuchi | 4-6 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.