Mark Nielsen defeated Andrew Nisker 6-3 6-4 in the Canada F2 round of 32 on hard. The result followed the form book — Mark Nielsen came in leading the head-to-head 1–0. Mark Nielsen extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-04-08 | USA F8 | R32 | hard | Mark Nielsen | 6-1 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.