Overview

• Rinderknech collapsed at 2-2 in the second set of Monday’s match, which lasted 1 hour 53 minutes under near-32°C temperatures and 51% humidity.
• Tournament medics applied ice towels and on-court cooling before Rinderknech attempted to resume play but retired trailing 7-6(4), 4-2.
• Auger-Aliassime fired seven aces and won 87% of his first-serve points to advance to the fourth round.
• The incident underscores growing scrutiny over heat protocols at the Linder Family Tennis Center following recent renovations.
• Rinderknech entered Cincinnati after upsets of top players but remains vulnerable to extreme conditions on court.