Mario Rincon defeated Keith Brill 4-6 7-6 6-2 in the Bolivia F1 qualifying round on clay. The result followed the form book — Mario Rincon came in leading the head-to-head 1–0. Mario Rincon extended the head-to-head to 2–0.
Rincon M. came through in three sets.
Mario Rincon beat Keith Brill 4-6 7-6 6-2. Umpiry, "Mario Rincon vs Keith Brill — Bolivia F1 Qualifying Round", https://umpiry.com/match/1998-09-21/brill-vs-rincon-bolivia-f1-qf?utm_source=cite (as of 21 September 1998).