The Montreal Masters experienced significant upsets as both top seeds, Alexander Zverev and Felix Auger-Aliassime, were eliminated from the tournament.

Context

The tournament has faced challenges with player withdrawals and unexpected match outcomes, impacting the competition's landscape.S2

Key points

• Alexander Zverev was upset by Tallon Griekspoor in a three-set match.S1

• Zverev lost with scores of 6-7 (3/7), 6-2, 6-4.S1

• Felix Auger-Aliassime withdrew from the tournament due to a back injury.S2

• Auger-Aliassime's withdrawal occurred before his scheduled night match.S2

• The Montreal Masters lost its top two seeds within hours of each other.S2

• Griekspoor's victory over Zverev is considered a significant upset.S1

• The tournament's field has been notably affected by these early exits.S2

• Both players were expected to be strong contenders for the title.S2

Why it matters

• The early exit of top seeds alters the competitive dynamics of the tournament.S2

• Injuries and withdrawals can impact fan engagement and ticket sales.S2

• Upsets like Griekspoor's victory can open opportunities for lower-ranked players.S1

What to watch

• Monitor the performance of lower-seeded players in the absence of top contenders.S1

• Watch for updates on Auger-Aliassime's recovery from his back injury.S2

• Follow the progression of Griekspoor in the tournament after his upset win.S1