Martin Vassallo Arguello defeated Andrey Golubev 3-6 6-3 6-0 in the Stuttgart round of 32 on grass. The upset overturned the form book — Andrey Golubev came in leading the head-to-head 1–0. Martin Vassallo Arguello claimed a first win over Andrey Golubev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-19 | Moscow | R32 | hard | Andrey Golubev | 7-5 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (43 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About