Go Soeda defeated Michael Yani 6-2 7-6 in the Japan F4 qualifying round on hard. The upset overturned the form book — Michael Yani came in leading the head-to-head 4–0. Go Soeda claimed a first win over Michael Yani in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-16 | Wimbledon | Q64 | grass | Michael Yani | 6-2 7-6(5) |
| 2005-08-29 | Japan F9 | QF | hard | Michael Yani | 6-2 6-4 |
| 2005-05-30 | Japan F5 | F | hard | Michael Yani | 7-6(2) 7-6(6) |
| 2003-08-04 | USA F23 | R32 | hard | Michael Yani | 3-6 6-3 6-0 |
Averages over each player's completed matches in the selected window (200 vs 17). 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