Among them: at 5’7”, he's the shortest player to reach the Top 8 on the ATP rankings since Harold Solomon in 1981.

Argentina’s Diego Schwartzman might have been nicknamed El Peque (an abbreviation of pequeno, which means small in Spanish), but his career reached great heights.

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 ...