John Isner fears that it could be a while before tennis returns.
John Isner is hoping to follow in the footsteps of Roger Federer and not let age hold him back.
Another Hall of Fame trophy for John Isner.
American keen to make up for lost time.
John Isner won't play at Roland Garros this year.
John Isner is likely to be out of action for more than a month.
Players hail relocation as success.
Federer would have won anyway, insists American.
Federer leaves Isner with unusual feeling to digest.
Roger Federer claims Miami Open title for the fourth time.