Konstantin Don Gruber defeated Oliver Marach 7-5 3-6 6-3 in the Italy 1 Masters 4 round of 16 on clay.
Don Gruber K. came through in three sets.
Konstantin Don Gruber beat Oliver Marach 7-5 3-6 6-3. Umpiry, "Konstantin Don Gruber vs Oliver Marach — Italy 1 Masters 4 Round of 16", https://umpiry.com/match/1999-02-13/gruber-vs-marach-italy-1-masters-4-r16?utm_source=cite (as of 13 February 1999).