Dusan Prchlik defeated Johan Alven 3-6 6-3 6-3 in the Slovak Republic Masters 2 round of 32 on clay. The upset overturned the form book — Johan Alven came in leading the head-to-head 1–0. Dusan Prchlik claimed a first win over Johan Alven in two meetings, levelling the head-to-head at 1–1.
Prchlik D. came through in three sets.
Dusan Prchlik beat Johan Alven 3-6 6-3 6-3. Umpiry, "Dusan Prchlik vs Johan Alven — Slovak Republic Masters 2 Round of 32", https://umpiry.com/match/1993-08-21/alven-vs-prchlik-slovak-republic-masters-2-r32?utm_source=cite (as of 21 August 1993).