Diallo was stopped in the second round of Wimbledon by No. 4 Taylor Fritz, but he took him to five sets, ending a terrific spell on the grass in 2025. The Montreal native won a title at the Libema Open as part of a 9-3 run on the lawn.

No. 4 seed Ben Shelton needed just 61 minutes to defeat Canadian No. 15 Gabriel Diallo 6-3, 6-2 in the Round of 16 at the Mubadala Citi DC Open on Thursday in Washington. Shelton smashed 16 aces and won an impressive 28 of 30 first-service points (93.

Ben Shelton and Frances Tiafoe met in the quarter-final of the home ATP 500 event in Washington. The younger American scored a 7-6, 6-4 victory in an hour and 57 minutes, beating his good friend for the third time in four duels.