Byron Black defeated Robbie Weiss 6-2 6-7 6-1 6-1 in the Wimbledon round of 128 on grass. The upset overturned the form book — Robbie Weiss came in leading the head-to-head 1–0. Byron Black claimed a first win over Robbie Weiss in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-08-12 | Indianapolis | R64 | hard | Robbie Weiss | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.