Vienna 2021 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Alexander Zverev | d. | Frances Tiafoe | 7-5 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Alexander Zverev | d. | Carlos Alcaraz | 6-3 6-3 |
| Frances Tiafoe | d. | Jannik Sinner | 3-6 7-5 6-2 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Alexander Zverev | d. | Felix Auger Aliassime | 6-4 3-6 6-3 |
| Carlos Alcaraz | d. | Matteo Berrettini | 6-1 6-7(2) 7-6(5) |
| Jannik Sinner | d. | Casper Ruud | 7-5 6-1 |
| Frances Tiafoe | d. | Diego Schwartzman | 6-4 7-6(6) |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Alexander Zverev | d. | Alex De Minaur | 6-2 3-6 6-2 |
| Felix Auger Aliassime | d. | Cameron Norrie | 2-6 7-6(6) 6-4 |
| Matteo Berrettini | d. | Nikoloz Basilashvili | 6-7(5) 6-2 6-3 |
| Carlos Alcaraz | d. | Andy Murray | 6-3 6-4 |
| Jannik Sinner | d. | Dennis Novak | 6-4 6-2 |
| Casper Ruud | d. | Lorenzo Sonego | 7-5 4-6 6-4 |
| Diego Schwartzman | d. | Gael Monfils | 7-6(5) 4-6 6-2 |
| Frances Tiafoe | d. | Stefanos Tsitsipas | 3-6 6-3 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Alexander Zverev | d. | Filip Krajinovic | 6-2 7-5 |
| Alex De Minaur | d. | Kevin Anderson | 6-3 7-6(3) |
| Cameron Norrie | d. | Marton Fucsovics | 7-6(4) 6-1 |
| Felix Auger Aliassime | d. | Ricardas Berankis | 6-3 6-2 |
| Matteo Berrettini | d. | Alexei Popyrin | 7-6(3) 6-3 |
| Nikoloz Basilashvili | d. | Pablo Carreno Busta | 7-5 4-6 6-3 |
| Carlos Alcaraz | d. | Daniel Evans | 6-4 6-3 |
| Andy Murray | d. | Hubert Hurkacz | 6-4 6-7(6) 6-3 |
| Jannik Sinner | d. | Reilly Opelka | 6-4 6-2 |
| Dennis Novak | d. | Gianluca Mager | 7-6(4) 7-6(4) |
| Lorenzo Sonego | d. | Dominik Koepfer | 6-4 6-3 |
| Casper Ruud | d. | Lloyd Harris | 7-5 7-6(2) |
| Diego Schwartzman | d. | Fabio Fognini | 6-2 7-5 |
| Gael Monfils | d. | Lorenzo Musetti | 7-6(2) 6-4 |
| Frances Tiafoe | d. | Dusan Lajovic | 6-4 6-4 |
| Stefanos Tsitsipas | d. | Grigor Dimitrov | 7-6(6) 6-4 |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Gianluca Mager | d. | Dominik Koepfer | 6-3 3-6 6-3 |
| Kevin Anderson | d. | Roberto Carballes Baena | 7-5 4-6 7-6(5) |
| Alexei Popyrin | d. | Norbert Gombos | 7-6(3) 6-7(0) 7-5 |
| Frances Tiafoe | d. | Lucas Miedler | 6-7(5) 6-4 6-3 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Gianluca Mager | d. | Alexander Erler | 6-7(2) 6-2 6-4 |
| Dominik Koepfer | d. | Alex Bolt | 7-6(6) 6-1 |
| Roberto Carballes Baena | d. | Dominic Stricker | 6-4 3-6 6-1 |
| Kevin Anderson | d. | Jurij Rodionov | 6-1 6-4 |
| Alexei Popyrin | d. | Feliciano Lopez | 7-5 7-6(8) |
| Norbert Gombos | d. | Marcos Giron | 7-6(5) 6-4 |
| Lucas Miedler | d. | Peter Gojowczyk | 7-6(4) 6-2 |
| Frances Tiafoe | d. | Alex Molcan | 6-4 3-6 6-1 |