Ryan Blake defeated Stefan Dallwitz 7-5 6-0 in the Central America Masters 1 qualifying round on hard.
Blake R. took it in straight sets.
Ryan Blake beat Stefan Dallwitz 7-5 6-0. Umpiry, "Ryan Blake vs Stefan Dallwitz — Central America Masters 1 Qualifying Round", https://umpiry.com/match/1991-02-16/blake-vs-dallwitz-central-america-masters-1-qf?utm_source=cite (as of 16 February 1991).