Isner: 'It's The Best Moment Of My Career' Apr 01, 2018 John Isner discusses what it was like to win his maiden ATP World Tour Masters 1000 title at the Miami Open presented by Itau. Watch live tennis at tennistv.com. Tags: 2018 Interviews John Isner Masters 1000 Miami Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus