Rafael Serpa Guinazu defeated Patricio Arquez 7-5 1-6 7-5 in the Argentina 3 round of 16 on clay. The result followed the form book — Rafael Serpa Guinazu came in leading the head-to-head 1–0. Rafael Serpa Guinazu extended the head-to-head to 2–0.
Serpa Guinazu R. came through in three sets.
Rafael Serpa Guinazu beat Patricio Arquez 7-5 1-6 7-5. Umpiry, "Rafael Serpa Guinazu vs Patricio Arquez — Argentina 3 Round of 16", https://umpiry.com/match/2000-06-12/arquez-vs-guinazu-argentina-3-r16?utm_source=cite (as of 12 June 2000).