Johann Potron defeated Fernando Las Heras 3-6 6-2 7-6 in the Netherlands Masters 4 round of 32 on clay.
Potron J. came through in three sets.
Johann Potron beat Fernando Las Heras 3-6 6-2 7-6. Umpiry, "Johann Potron vs Fernando Las Heras — Netherlands Masters 4 Round of 32", https://umpiry.com/match/1999-06-14/heras-vs-potron-netherlands-masters-4-r32?utm_source=cite (as of 14 June 1999).