The former US Open champion voiced objections to the team competition that might resonate with other ATP stars.
Don't miss any stories → Follow Tennis View
FollowEvent Recap
Two former world No. 1s have enjoyed encouraging weeks in Dubai, where they will meet in the semifinals.
ATP tournaments in Delray Beach, Rio, and Marseille have produced some unlikely heroes, ranging from Rhyne Williams to Jan-Lennard Struff.
John Isner struggled through, and Sam Querrey succumbed, but Rhyne Williams shone in Delray Beach.
While 20-year-old Annika Beck broke through on the Persian Gulf, Francesca Schiavone dueled with Lourdes Dominguez for the third different decade.
Rarely successful at the ATP level before, the Dutchman broke through with a semifinal that raised him near the top 50.
With a title and finals appearance in February, the former top-10 man from Croatia has regrouped quickly from a 2013 suspension.
The Premier Five champion in Doha has burst from nowhere to win seven titles in the last eight months.
Relive the highs and lows of Doha, Rotterdam, Memphis, and Buenos Aires, where Simona Halep, Tomas Berdych, Kei Nishikori, and David Ferrer won titles.
Marin Cilic and Fabio Fognini extended winning streaks, while slumps persisted for Mikhail Youzhny and Sam Querrey.
Pages
