Roger Federer withdraws from inaugural ATP Cup
The decision implies that Switzerland can no longer qualify for the 24-team event since no other Swiss star is among the top rated singles player list.
The decision implies that Switzerland can no longer qualify for the 24-team event since no other Swiss star is among the top rated singles player list.
Federer ranked third on the ATP rankings, is one of six players to have booked a spot in the ATP Finals.
