Konstantin Don Gruber defeated Alan Mackin 6-3 6-1 in the Greece Masters 1 round of 16 on hard.
Don Gruber K. took it in straight sets.
Konstantin Don Gruber beat Alan Mackin 6-3 6-1. Umpiry, "Konstantin Don Gruber vs Alan Mackin — Greece Masters 1 Round of 16", https://umpiry.com/match/2000-02-28/gruber-vs-mackin-greece-masters-1-r16?utm_source=cite (as of 28 February 2000).