Sebastian Swierk defeated Efe Ustundag 7-6 6-4 in the Australia 2 3 round of 32 on hard.
Swierk S. took it in straight sets.
Sebastian Swierk beat Efe Ustundag 7-6(5) 6-4. Umpiry, "Sebastian Swierk vs Efe Ustundag — Australia 2 3 Round of 32", https://umpiry.com/match/2000-03-24/swierk-vs-ustundag-australia-2-3-r32?utm_source=cite (as of 24 March 2000).