Roger Federer and his agent Tony Godsick have come under fire for Alexander Zverev’s decision to play an exhibition match instead of the Davis Cup.
The German pulled out of the competition, which will take place in Milan between November 18-24 under a newly revamped format.
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But Zverev has opted to play an exhibition match against Federer in Mexico at the same time.
German David Cup captain Michael Kohlmann claims Zverev singing with Federer’s Team8 Management company influenced his decision.
"Alexander Zverev never played a role in our plans for Madrid, because he ruled out from the beginning to compete there,” Kohlmann told German publication Tennis Magazin.
“I was a bit surprised he chose to play the exhibition event and it is a direct result of joining Team 8.
“Godsick and Federer of course make a clear statement with this tour - against the new Davis Cup final week and against the ITF.”
Federer and Zverev will play in an exhibition match labelled “The Greatest Match” on November 23.
More than 40,000 tickets will be sold for the showdown, which will also feature American doubles greats Bob and Mike Bryan.
Federer and Zverev recently teamed up with each other in Team Europe’s victory over Team World at the Laver Cup in Geneva.