Shunrou Takeshima defeated Keisuke Watanuki 1-6 6-3 6-1 in the Japan F4 qualifying round of 16 on hard. The upset overturned the form book — Keisuke Watanuki came in leading the head-to-head 1–0. Shunrou Takeshima claimed a first win over Keisuke Watanuki in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-06-13 | Japan F8 | R32 | carpet | Keisuke Watanuki | 7-6(5) 6-0 |
Averages over each player's completed matches in the selected window (20 vs 11). 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