Tatsuma Ito defeated Cecil Mamiit 6-4 6-7 6-3 6-7 9-7 in the Davis Cup G1 R1: PHI vs JPN round robin on hard. The result followed the form book — Tatsuma Ito came in leading the head-to-head 1–0. Tatsuma Ito extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-03-05 | Davis Cup G1 R1: JPN vs PHI | RR | carpet | Tatsuma Ito | 6-4 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.