Peter Clarke defeated James Sekulov 7-5 7-5 in the USA F15 round of 32 on hard. The upset overturned the form book — James Sekulov came in leading the head-to-head 2–0, but Peter Clarke had been the form player, winning 5 of their last 10 on hard. Peter Clarke claimed a first win over James Sekulov in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-10 | Australia 2 Masters 4 | QF | hard | James Sekulov | 6-2 6-2 |
| 1997-09-28 | Australia 3 Masters 3 | R32 | hard | James Sekulov | 6-4 6-7 6-3 |