(August 31, 2023) FLUSHING, NY – Thirty-eight-year-old John Isner’s singles career is over, and it ironically ended with him losing a fifth set tiebreaker to fellow American Michael Mmoh who rallied from two sets down for the win, 3-6, 4-6, 7-6(3), 6-4, 7-6 (10-7) in the second round on Thursday afternoon on Grandstand Court at the US Open. ”It’s tough. I like to think I … [Read more...] about Michael Mmoh ends John Isner’s Singles Career with Five-set comeback at US Open in the Second Round