Yan Bai defeated Yuichi Sugita 6-4 6-3 in the Nanchang CH round of 16 on clay. The upset overturned the form book — Yuichi Sugita came in leading the head-to-head 2–0. Yan Bai claimed a first win over Yuichi Sugita in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-03-31 | Japan F3 | R32 | hard | Yuichi Sugita | 7-6(7) 6-3 |
| 2008-02-18 | Thailand F2 | R16 | hard | Yuichi Sugita | 6-7(4) 6-4 6-1 |
Averages over each player's completed matches in the selected window (199 vs 199). 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