Ryan Blake defeated Mark Joachim 6-4 7-6 in the Central America Masters 2 round of 32 on hard.
Blake R. took it in straight sets.
Ryan Blake beat Mark Joachim 6-4 7-6. Umpiry, "Ryan Blake vs Mark Joachim — Central America Masters 2 Round of 32", https://umpiry.com/match/1991-02-16/blake-vs-joachim-central-america-masters-2-r32?utm_source=cite (as of 16 February 1991).