Gaston Gaudio defeated Andrei Stoliarov 7-5 6-1 in the St. Petersburg round of 16 on carpet. The upset overturned the form book — Andrei Stoliarov came in leading the head-to-head 1–0, defending last year's round of 32. Gaston Gaudio claimed a first win over Andrei Stoliarov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-07-24 | San Marino | R32 | clay | Andrei Stoliarov | 6-3 6-0 |
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 (200 vs 28). ATP, WTA & Challenger.