Tomas Berdych falls to Tommy Haas on Sunday at the Royal Albert Hall.

Daniel Altmaier is the champion in Puerto Vallarta, claiming his third ATP Challenger title of 2021.

Daniel Altmaier is the champion in Puerto Vallarta, claiming his third ATP Challenger title of 2021.

Federico Coria is the champion in Brasilia, claiming his second ATP Challenger title of 2021.

Federico Coria is the champion in Brasilia, claiming his second ATP Challenger title of 2021.

Ramkumar Ramanathan is the champion in Manama, Bahrain, claiming his maiden ATP Challenger title.

Oscar Otte claims his third ATP Challenger title of 2021 in Bari, Italy.

Mate Pavic and Nikola Mektic win in straight sets to help Croatia defeat Italy in Turin.

Jannik Sinner defeats Marin Cilic on Monday in Turin to level the tie at 1-1.

Borna Gojo defeats Lorenzo Sonego on Monday in Turin.

Filip Krajinovic is currently No. 42 in the FedEx ATP Rankings.

Daniil Medvedev defeats Pablo Carreno Busta on Sunday in Madrid.

Alexander Bublik defeats Vasek Pospisil on Sunday in Madrid.

Joe Salisbury and Neal Skupski defeat Tomas Machac and Jiri Vesely on Sunday in Austria.

Mate Pavic and Nikola Mektic defeat Fabian Marozsan and Peter Nagy on Sunday in Turin.

David Ferrer defeats Marcos Baghdatis on Saturday in London.

Jannik Sinner defeats Daniel Elahi Galan Riveros on Saturday in Turin.

Daniil Medvedev defeats Emilio Gomez on Saturday in Madrid.

Alex de Minaur defeats Marton Fucsovics on Saturday in Turin.

Alexander Bublik defeats Mikael Ymer on Saturday in Madrid.

Cameron Norrie defeats Arthur Rinderknech on Saturday in Austria.

David Ferrer, Tommy Haas and Tomas Berdych are all playing in London.

Novak Djokovic defeats Dennis Novak on Friday in Austria.

Pablo Carreno Busta defeats Emilio Gomez on Friday in Madrid.