Robbie Koenig advanced when Royce Deppe retired 7-6 4-1 in the USA 3 Masters 1 round of 16. Robbie Koenig claimed a first win over Royce Deppe in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-04-29 | USA 2 Masters 3 | R16 | hard | Royce Deppe | 6-3 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.