Mark Greenan defeated Miguel Merz 6-3 6-4 in the Caribbean 2 Masters 4 qualifying round on hard.
Greenan M. took it in straight sets.
Mark Greenan beat Miguel Merz 6-3 6-4. Umpiry, "Mark Greenan vs Miguel Merz — Caribbean 2 Masters 4 Qualifying Round", https://umpiry.com/match/1991-04-28/greenan-vs-merz-caribbean-2-masters-4-qf?utm_source=cite (as of 28 April 1991).