Carsten Ball defeated Tatsuma Ito 6-3 6-2 in the US Open q32 on hard. The result followed the form book — Carsten Ball came in leading the head-to-head 2–0, defending last year's round of 128. Carsten Ball extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-07 | Davis Cup G1 R2: AUS vs JPN | RR | clay | Carsten Ball | 6-3 7-6 |
| 2009-03-16 | New Zealand F2 | F | hard | Carsten Ball | 7-6(1) 6-2 |
Averages over each player's completed matches in the selected window (21 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