Overview
- Francisco Cerúndolo retired early in the second set of their round-of-16 match after feeling severe abdominal pain.
- The Argentine had led 3–1 before conceding the first set 6-4 and retiring with the score at 1-0 in the second.
- Zverev will meet Australian Alexei Popyrin next, who advanced by defeating Holger Rune in three sets.
- Zverev recorded his 500th ATP Tour win in Toronto’s second round, becoming the first player born in 1990 or later to hit that milestone.
- Zverev’s on-court advice underscored their friendly rapport and stressed the importance of Cerúndolo focusing on his fitness for the US Open build-up.