Konstantin Don Gruber defeated Mark Hilton 7-6 4-6 6-4 in the Central America 4 round of 32 on hard.
Don Gruber K. came through in three sets.
Konstantin Don Gruber beat Mark Hilton 7-6(10) 4-6 6-4. Umpiry, "Konstantin Don Gruber vs Mark Hilton — Central America 4 Round of 32", https://umpiry.com/match/2001-01-08/gruber-vs-hilton-central-america-4-r32?utm_source=cite (as of 8 January 2001).