Christian Bergstrom defeated Lars Jonsson 4-6 6-2 6-0 in the Munich quarter-final on clay. The result followed the form book — Christian Bergstrom came in defending last year's round of 32.
Bergstrom C. came through in three sets.
Christian Bergstrom beat Lars Jonsson 4-6 6-2 6-0. Umpiry, "Christian Bergstrom vs Lars Jonsson — Munich Quarter-final", https://umpiry.com/match/1991-04-29/bergstrom-vs-jonsson-munich-qf?utm_source=cite (as of 29 April 1991).