Jeff Coetzee defeated Reginald Willems 6-3 6-4 in the Cuba Mexico Masters 4 qualifying round on hard. The upset overturned the form book — Reginald Willems came in leading the head-to-head 1–0. Jeff Coetzee claimed a first win over Reginald Willems in two meetings, levelling the head-to-head at 1–1.
Coetzee J. took it in straight sets.
Jeff Coetzee beat Reginald Willems 6-3 6-4. Umpiry, "Jeff Coetzee vs Reginald Willems — Cuba Mexico Masters 4 Qualifying Round", https://umpiry.com/match/1998-02-07/coetzee-vs-willems-cuba-mexico-masters-4-qf?utm_source=cite (as of 7 February 1998).