But perhaps there was a more dramatic matchup in recent days — American big men John Isner (6'10") and Reilly Opelka (6'11") took a break from the tennis court to play some one-on-one basketball.

Reilly Opelka beat Isner 24-22 in a second-set tiebreaker Saturday to finish a victory that put him in the final of the inaugural Dallas Open. The second-seeded Opelka sent a winner down the line ...

“Every tennis purist’s dream clay court final,” Reilly Opelka tweeted before his title match against John Isner in Houston on Sunday. Anyone who follows tennis understood that Opelka had his ...

ATLANTA (AP) Three-time defending champion John Isner won the tallest matchup in ATP World Tour history, beating Reilly Opelka 6-7 (5), 6-4, 6-2 on Saturday in the BB&T Atlanta Open semifinals.

John Isner, Ivo Karlovic and Reilly Opelka are all standing tall this week in Memphis, with all three appearing in the second round. It isn’t too often that you can find a tennis player taller ...

Provided he stays healthy, Opelka is poised to become a mainstay inside the Top 20. It’s almost impossible not to compare him to fellow thunder-clapper John Isner. And speaking of quality wins ...

Opelka also has unexpected foot speed. For the doubters out there, he would like everyone to know that he once outran the speedy Tommy Paul in a 40-yard-dash. Isner is listed at 6’10” but ...

“I had heard horror stories about mono," Opelka said. "A lot of players have had it, like Denis Kudla, John Isner and even Roger Federer. So I was lucky because we caught it early. I pretty much ...

John Isner, who scored the first year-end Top 10 ... I’ve been able to play some good tennis doing that.” Twenty-one-year-old Opelka made his Top 100 debut just in time for the year-end ...

Opelka, a two-time ATP Tour winner ranked 23rd ... is seeking his first singles title since turning pro 15 years ago. John Isner advanced to the semifinals in doubles in his hometown event ...

Isner, making his debut at this event at The ... Donald Young beat fellow American Reilly Opelka 7-6 (3), 6-3 earlier Wednesday. Nikoloz Basilashvili of Georgia beat Australia's Jordan Thompson ...

Grigor Dimitrov and Reilly Opelka are looking to raise the trophy at the end of the week, while John Isner will be a heavy favorite. As the action really gets underway, see how much you know about ...