Jose Ayala defeated Stefan Dallwitz 6-3 6-1 in the Central America Masters 2 qualifying round on hard.
Ayala J. took it in straight sets.
Jose Ayala beat Stefan Dallwitz 6-3 6-1. Umpiry, "Jose Ayala vs Stefan Dallwitz — Central America Masters 2 Qualifying Round", https://umpiry.com/match/1991-02-16/ayala-vs-dallwitz-central-america-masters-2-qf?utm_source=cite (as of 16 February 1991).