The Laver Cup will take place in Geneva in 2020.
The veteran Spaniard will play Monica Puig in Friday's semifinal.
The top quarter of the draw features three US Open champions and another finalist.
Monica Puig also reached the last eight in Connecticut.
The former top 100 player shared his opinion ahead of a special event celebrating the LGBTQ+ community in tennis.
Madrid will host the first Davis Cup Finals in 2019, with Lille and Indian Wells to host the next two years.
The No. 3 seed defeated a fellow former champion in Connecticut.
Jerzy Janowicz has had another knee surgery in Poznan today as his chances to return to tennis decrease with every setback.
Kiki Bertens saved championship point as she defeated Simona Halep 2-6 7-6(6) 6-2 to win the Western and Southern Open.
Who will be crowned champions this year?
The 20-time grand slam champion gives his assessment of his Serbian rival ahead of their first clash since 2016.
A 46th career meeting with Novak Djokovic awaits in Sunday's final.
The Serbian is one win from the career sweep of Masters 1000 events.
Former champions Agnieszka Radwanska and Petra Kvitova will face each other in the first round of the Connecticut Open.
Simona Halep targets her second final in a row and Novak Djokovic is a win away from his first Masters 1000 final in 15 months.
Milos Raonic and Pablo Carreño Busta fell to quarterfinal defeats.
Simona Halep won her seventh consecutive match with a straight sets victory over Ashleigh Barty.
How will Nick Kyrgios fair against new world No.3 Juan Martin del Potro?
These are the two must-see matches to follow at the Western and Southern Open on Thursday.
Kei Nishikori's blockbuster clash with Stan Wawrinka headlines Wenesday's play at the Western and Southern Open.