Go Soeda defeated Cecil Mamiit 6-1 6-2 in the US Open q128 on hard. The result followed the form book — Go Soeda came in leading the head-to-head 2–1. Go Soeda extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-03-04 | Davis Cup G1 R1: PHI vs JPN | RR | hard | Go Soeda | 7-6 6-2 3-6 6-3 |
| 2010-03-05 | Davis Cup G1 R1: JPN vs PHI | RR | carpet | Go Soeda | 6-7 6-3 6-3 6-3 |
| 2005-06-20 | USA F14 | R16 | hard | Cecil Mamiit | 6-1 6-3 |
Averages over each player's completed matches in the selected window (200 vs 2). 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