Stefano Galvani defeated Matteo Colla 7-5 6-4 in the Bulgaria Masters 2 qualifying round on clay. The upset overturned the form book — Matteo Colla came in leading the head-to-head 1–0. Stefano Galvani claimed a first win over Matteo Colla in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-04-24 | Bulgaria Masters 3 | R16 | clay | Matteo Colla | 6-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.