John Isner and Nuno Borges have met 1 time; Borges leads 1–0. Most recently Borges won 6-4, 5-7, 7-6(3), 4-6, 7-6(9) in the first round at French Open - Paris on May 28, 2023. By surface: clay 0–1. Isner is ranked No. 332, Borges No. 48.

Every meeting

From the match records held by our data provider, main tour, Challenger and ITF levels included. Walkovers are not counted as meetings.