Jimy Szymanski defeated Dante Magnoni 3-6 6-3 6-1 in the Colombia Masters 3 qualifying round on clay. The upset overturned the form book — Dante Magnoni came in leading the head-to-head 1–0. Jimy Szymanski claimed a first win over Dante Magnoni in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-07-17 | Colombia Masters 2 | R16 | clay | Dante Magnoni | 1-6 7-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.