Jumpei Yamasaki defeated Tung Lin Wu 6-3 6-4 in the Hong Kong F6 round of 16 on hard. The upset overturned the form book — Tung Lin Wu came in ranked #370, leading the head-to-head 1–0, but Jumpei Yamasaki had been the form player, winning 5 of their last 9 on hard. Jumpei Yamasaki claimed a first win over Tung Lin Wu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-10-16 | Thailand F9 | QF | hard | Tung Lin Wu | 6-4 6-0 |
Averages over each player's completed matches in the selected window (200 vs 200). 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