Mark Joachim defeated Szilard Petrovits 6-4 6-0 in the Hungary Masters 2 round of 32 on clay.
Joachim M. took it in straight sets.
Mark Joachim beat Szilard Petrovits 6-4 6-0. Umpiry, "Mark Joachim vs Szilard Petrovits — Hungary Masters 2 Round of 32", https://umpiry.com/match/1991-06-03/joachim-vs-petrovits-hungary-masters-2-r32?utm_source=cite (as of 3 June 1991).