Sebastian Swierk defeated Efe Ustundag 7-6 6-7 6-3 in the Turkey F3 round of 16 on hard. The result followed the form book — Sebastian Swierk came in leading the head-to-head 1–0. Sebastian Swierk extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-03-24 | Australia 2 3 | R32 | hard | Sebastian Swierk | 7-6(5) 6-4 |