Alessio Di Mauro defeated Mark Markov 6-3 7-5 in the Bulgaria Masters 2 qualifying round on clay. The upset overturned the form book — Mark Markov came in leading the head-to-head 1–0, but Alessio Di Mauro had been the form player, winning 7 of their last 10 on clay. Alessio Di Mauro claimed a first win over Mark Markov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-06-22 | Macedonia F2 | F | clay | Mark Markov | 7-5 4-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.