Editor's note: Just before the US Open, 2017 International Tennis Hall of Fame inductee Steve Flink spoke at length with Diego Schwartzman, currently ranked 33rd in the world. The 25-year-old ...

Posting to Instagram, the Serb simply stated ... I hope you are happy." Diego Schwartzman may not have won a Masters 1000 or a Grand Slam, but he was sure to leave his mark on the tennis world.

Diego Schwartzman, apparently, has a twin...if that twin was an American that was at least 15 inches taller. At the Laver Cup, the world No. 14 introduced his Team World teammate John Isner.