On August 3, 2025, the men's singles quarterfinal lineup for the ATP 1000 Toronto Masters was finalized.
De Minaur
Shelton
The 9th seed De Minaur defeated the 8th seed Tiafoe with scores of 6-2/4-6/6-4, securing his second Masters quarterfinal appearance this season with a seven-match winning streak on hard courts. In the quarterfinals, De Minaur will face the 4th seed Shelton, who narrowly won against the 13th seed Cobolli with a score of 6-4/4-6/7-6(1) after saving his opponent's match point in the final set, achieving his 100th career ATP Tour victory and matching his personal best in Masters singles performance.
Rublev
Fritz
Last year's runner-up and 6th seed Rublev received a retirement gift from the 20th seed Davidovich Fokina while the match was at 6-7(3)/7-6(2)/3-0, marking his first entry into the Masters quarterfinals this season. In the quarterfinals, Rublev will compete against the 2nd seed Fritz, who won a late-night battle in three tiebreak sets, defeating the 19th seed Lehecka with scores of 7-6(4)/6-7(5)/7-6(5).
ATP Toronto Masters men's singles quarterfinal matchups
[1] Zverev vs Poprin [18]
[26] Mickelson vs Khachanov [11]
[9] De Minaur vs Shelton [4]
[6] Rublev vs Fritz [2]
(Written and edited by: Dato, Images: Visual China)