Michal Mertinak defeated Juraj Hasko 6-3 6-7 6-1 in the Uzbekistan F3 qualifying round on hard. The upset overturned the form book — Juraj Hasko came in leading the head-to-head 1–0. Michal Mertinak claimed a first win over Juraj Hasko in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-08-16 | Slovak Republic Masters 2 | R16 | clay | Juraj Hasko | 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.