Hernan Gumy defeated Davide Sanguinetti 6-2 6-1 in the Bastad round of 32 on clay. The upset overturned the form book — Davide Sanguinetti came in leading the head-to-head 1–0, defending last year's round of 16. Hernan Gumy claimed a first win over Davide Sanguinetti in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-24 | Roland Garros | R64 | clay | Davide Sanguinetti | 6-7(5) 7-5 6-4 7-6(4) |
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 (59 vs 200). ATP, WTA & Challenger.