Bruno Echagaray defeated Michael Kosta 6-4 6-4 in the Mexico F10 qualifying round on hard. The upset overturned the form book — Michael Kosta came in leading the head-to-head 1–0, but Bruno Echagaray had been the form player, winning 3 of their last 5 on hard. Bruno Echagaray claimed a first win over Michael Kosta in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-10-13 | Mexico F17 | R16 | hard | Michael Kosta | 7-6(4) 1-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.