Roko Karanusic defeated Konstantin Don Gruber 3-6 6-2 6-1 in the Umag qualifying round of 16 on clay.
Karanusic R. came through in three sets.
Roko Karanusic beat Konstantin Don Gruber 3-6 6-2 6-1. Umpiry, "Roko Karanusic vs Konstantin Don Gruber — Umag Qualifying Round of 16", https://umpiry.com/match/2003-07-21/gruber-vs-karanusic-umag-q16?utm_source=cite (as of 21 July 2003).