1. Who won men’s doubles championship in US Open 2021?
a) Steve Johnson, Sam Querrey
b) Horia Tecau, Kevin Krawietz
c) Matthew Ebden, Max Purcell
d) Joe Salisbury, Rajeev Ram
2. Who were runners up in men’s doubles championship in US Open 2021?
a) Bruno Soares, Jamie Murray
b) Filip Polasek, John Peers
c) Nicolas Mahut, Pierre Hugues Herbert
d) Horacio Zeballos, Marcel Granollers
3. Who won mixed doubles championship in US Open 2021?
a) Austin Krajicek, Jessica Pegula
b) Joe Salisbury, Desirae Krawczyk
c) Neal Skupski, Alexa Guarachi
d) Sander Gille, Demi Schuurs