Peter Clarke defeated Scott Doerner 7-6 6-7 6-3 in the Mexico F11 round of 16 on hard. The result followed the form book — Peter Clarke came in leading the head-to-head 1–0. Peter Clarke extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-10-25 | Australia F1 | R16 | clay | Peter Clarke | 6-4 6-0 |