Shuichi Sekiguchi defeated Tatsuma Ito 1-6 7-6 6-1 in the Japan F3 qualifying round on hard. The upset overturned the form book — Tatsuma Ito came in leading the head-to-head 1–0. Shuichi Sekiguchi claimed a first win over Tatsuma Ito in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-01-13 | Auckland | Q1 | hard | Tatsuma Ito | 6-3 4-6 6-4 |
Averages over each player's completed matches in the selected window (179 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