Geronimo Degreef defeated Rafael Serpa Guinazu 6-4 6-4 in the Argentina B Masters 3 round of 32 on clay. The upset overturned the form book — Rafael Serpa Guinazu came in leading the head-to-head 2–0. Geronimo Degreef claimed a first win over Rafael Serpa Guinazu in three meetings, narrowing the head-to-head to 2–1.
Degreef G. took it in straight sets.
Geronimo Degreef beat Rafael Serpa Guinazu 6-4 6-4. Umpiry, "Geronimo Degreef vs Rafael Serpa Guinazu — Argentina B Masters 3 Round of 32", https://umpiry.com/match/1995-08-05/degreef-vs-guinazu-argentina-b-masters-3-r32?utm_source=cite (as of 5 August 1995).