John Isner delivers a 'thunderbolt' of a forehand against Marin Cilic at the BNP Paribas Masters in Paris. Watch live tennis at tennistv.com. Photo: Peter Staples / ATP World Tour
Turns out you can lob John Isner! American Jack Sock lobbed his compatriot to earn himself a set point during their quarter-final contest at the BNP Paribas Masters in Paris. Watch live tennis at tennistv.com. Getty Images photo.
Jack Sock swats the 'hardest return of the week' past John Isner at the BNP Paribas Masters in Paris. Watch live tennis at tennistv.com. Getty Images photo.