11 h 05 Wimbledon 2010, 1st Round: John Isner def. Nicolas Mahut, 6–4, 3–6, 6–7(7–9), 7–6(7–3), 70–68 (3 days).
6 h 43 Davis Cup 2015, 1st Round: Leonardo Mayer def. João Souza, 7–6(7–4), 7–6(7–5), 5–7, 5–7, 15–13 (1 day).
6 h 33 French Open 2004, 1st Round: Fabrice Santoro def. Arnaud...