Tomasz Lichon defeated Mike Oosterveen 7-5 4-6 7-6 in the Hungary Masters 4 round of 32 on clay.
Lichon T. came through in three sets.
Tomasz Lichon beat Mike Oosterveen 7-5 4-6 7-6. Umpiry, "Tomasz Lichon vs Mike Oosterveen — Hungary Masters 4 Round of 32", https://umpiry.com/match/1991-06-03/lichon-vs-oosterveen-hungary-masters-4-r32?utm_source=cite (as of 3 June 1991).