Tony Bujan defeated Kevin Ullyett 6-3 7-6 in the USA 3 Masters 2 round of 64 on hard. The upset overturned the form book — Kevin Ullyett came in leading the head-to-head 1–0. Tony Bujan claimed a first win over Kevin Ullyett in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-06-03 | USA 3 Masters 4 | QF | hard | Kevin Ullyett | 7-5 3-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.