Naoki Tajima defeated Tamaki Yamao 6-4 7-5 in the Kobe CH qualifying round 1 on hard. The upset overturned the form book — Tamaki Yamao came in ranked #415, leading the head-to-head 1–0. Naoki Tajima claimed a first win over Tamaki Yamao in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-04-03 | M15 Kashiwa 1 | R32 | hard | Tamaki Yamao | 6-1 3-6 6-2 |
Averages over each player's completed matches in the selected window (200 vs 7). 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