: Second-seeded Alexander Zverev advanced to the semi-finals after Tallon Griekspoor was forced to withdraw before their match.

: Top seed Jannik Sinner continued his relentless form, dismissing Alexander Bublik in straight sets. Sinner eventually reclaimed his crown in a hard-fought three-set final against Zverev .

Sinner notches fastest win of 2025 in Vienna opener - ATP Tour

: The Vienna tournament was critical for the PIF ATP Live Race To Turin , with both De Minaur and Musetti seeking vital points to qualify for the ATP Finals . Doubles Quarter-Final Results Google Sports Data This response uses data provided by Google Sports

The following matches took place at the to determine the final four: QF 1 [1] Jannik Sinner (ITA) [8] Alexander Bublik (KAZ) QF 2 [2] Alexander Zverev (GER) Tallon Griekspoor (NED) Walkover (W/O) QF 3 [3] Alex de Minaur (AUS) Matteo Berrettini (ITA) 6-1, 7-6(4) QF 4 [4] Lorenzo Musetti (ITA) Corentin Moutet (FRA) Key Highlights