Go Soeda defeated Simon Stadler 6-7 7-5 6-4 in the Bangkok qualifying round on hard. The result followed the form book — Go Soeda came in defending last year's round of 16. Go Soeda extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-27 | Bangkok | Q16 | hard | Go Soeda | 5-7 6-3 6-4 |
| 2008-06-07 | London | Q32 | carpet | Simon Stadler | 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.