Kevin Ullyett defeated Robbie Koenig 6-3 7-6 in the USA 3 Masters 3 qualifying round on hard.
Ullyett K. took it in straight sets.
Kevin Ullyett beat Robbie Koenig 6-3 7-6. Umpiry, "Kevin Ullyett vs Robbie Koenig — USA 3 Masters 3 Qualifying Round", https://umpiry.com/match/1991-06-03/koenig-vs-ullyett-usa-3-masters-3-qf?utm_source=cite (as of 3 June 1991).