Donald Johnson defeated Richard Whichello 7-5 7-6 in the Spain 5 Masters 3 qualifying round on clay.
Johnson D. took it in straight sets.
Donald Johnson beat Richard Whichello 7-5 7-6. Umpiry, "Donald Johnson vs Richard Whichello — Spain 5 Masters 3 Qualifying Round", https://umpiry.com/match/1991-05-20/johnson-vs-whichello-spain-5-masters-3-qf?utm_source=cite (as of 20 May 1991).