Felix Auger-Aliassime, a 24-year-old Canadian, was defeated by Frances Tiafoe, a 24-year-old American, in the fourth round of the Cincinnati Open. The match ended with a score of 6-3, 6-4 in favor of Tiafoe. Auger-Aliassime had a strong start, but Tiafoe's consistent play led to his downfall. Auger-Aliassime had 37 unforced errors, while Tiafoe made just 16. The match lasted for one hour and 40 minutes.