Toshihide Matsui defeated Sam Groth 6-4 7-6 in the Korea Rep F2 qualifying round on hard. The upset overturned the form book — Sam Groth came in leading the head-to-head 1–0. Toshihide Matsui claimed a first win over Sam Groth in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-04-28 | Korea Rep F1 | R32 | hard | Sam Groth | 6-3 7-5 |
Averages over each player's completed matches in the selected window (94 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