ATP - Stockholm

The ATP tour continues in Sweden.

2021 Stockholm Open - an ATP 250 tournament, on Hard Indoor, in Stockholm, Sweden, 7-13 November 2021.

Event not held last year due to COVID-19.

Defending champion (2019):

Denis Shapovalov (4) who defeated Filip Krajinovic 6-4 6-4

The following players withdrew after entering but before the main draw was published:

- Nikoloz Basilashvili replaced by Tommy Paul

- Alex de Minaur replaced by Adrian Mannarino 

- Grigor Dimitrov replaced by Arthur Rinderknech

- Cristian Garin replaced by Taylor Fritz 

- Ugo Humbert replaced by Alejandro Davidovich Fokina 

- Hubert Hurkacz replaced by Roberto Carballes Baena 

- Aslan Karatsev replaced by Jordan Thompson 

- Gaël Monfils replaced by Marton Fucsovics 

- Cameron Norrie replaced by Peter Gojowczyk 

- Casper Ruud replaced by Mackenzie McDonald 

- Diego Schwartzman replaced by Frances Tiafoe 

- Lorenzo Sonego replaced by Marcos Giron 

- Alexander Zverev replaced by Emil Ruusuvuori 

Jannik Sinner, world number 10, is top seed.

The other 7 seeds are all in the top 41

The top four seeds have first round byes.