Konstantin Don Gruber defeated Herbert Wiltschnig 6-3 2-6 6-3 in the Hungary F4 qualifying round on clay. Konstantin Don Gruber moved ahead in the head-to-head, 2–1.
Don Gruber K. came through in three sets.
Clay: level 1–1 · Hard: Don Gruber K. leads 1–0
Konstantin Don Gruber beat Herbert Wiltschnig 6-3 2-6 6-3. Umpiry, "Konstantin Don Gruber vs Herbert Wiltschnig — Hungary F4 Qualifying Round", https://umpiry.com/match/2004-09-06/gruber-vs-wiltschnig-hungary-f4-qf?utm_source=cite (as of 6 September 2004).