Chieh Fu Wang defeated Toshihide Matsui 6-4 6-3 in the Indonesia F2 round of 32 on hard. The upset overturned the form book — Toshihide Matsui came in leading the head-to-head 2–0, but Chieh Fu Wang had been the form player, winning 3 of their last 10 on hard. Chieh Fu Wang claimed a first win over Toshihide Matsui in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-05 | China F6 | QF | hard | Toshihide Matsui | 6-2 7-5 |
| 2012-03-19 | Japan F2 | R16 | hard | Toshihide Matsui | 6-4 6-4 |
Averages over each player's completed matches in the selected window (2 vs 77). 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. Small sample — read as indicative. About