Albert Chang defeated Jacco Van Duyn 6-2 6-2 in the Canada Masters 1 round of 16 on clay.
Chang A. took it in straight sets.
Albert Chang beat Jacco Van Duyn 6-2 6-2. Umpiry, "Albert Chang vs Jacco Van Duyn — Canada Masters 1 Round of 16", https://umpiry.com/match/1991-06-08/chang-vs-duyn-canada-masters-1-r16?utm_source=cite (as of 8 June 1991).