Daniel Nestor defeated Kevin Ullyett 6-3 7-5 in the Halle q16 on grass. The result followed the form book — Daniel Nestor came in leading the head-to-head 1–0. Daniel Nestor extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-04-29 | USA 2 Masters 3 | R64 | hard | Daniel Nestor | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.