Tatsuma Ito defeated Toshihide Matsui 6-3 6-3 in the Guam F1 semi-final on hard. The upset overturned the form book — Toshihide Matsui came in leading the head-to-head 1–0, but Tatsuma Ito had been the form player, winning 3 of their last 8 on hard. Tatsuma Ito claimed a first win over Toshihide Matsui in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-09-10 | Japan F8 | SF | hard | Toshihide Matsui | 6-4 7-6(4) |
Averages over each player's completed matches in the selected window (200 vs 94). 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