Isner Delivers 'Thunderbolt' Forehand Past Cilic Nov 05, 2016 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 Tags: 2016 Hot Shot John Isner Paris Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus