Andrew Derer defeated Anton Klaric 6-2 5-7 6-4 in the Australia F5 round of 16 on grass. The upset overturned the form book — Anton Klaric came in leading the head-to-head 1–0. Andrew Derer claimed a first win over Anton Klaric in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-10-01 | Australia 2 2 | R32 | hard | Anton Klaric | 6-1 3-6 6-0 |