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.

"The next guy on my team was recently a father few days ago...so here is my twin, John Isner," said Schwartzman. The 6'10" American went over to hug the 5'4" Argentinian, showing off the obvious similarities.

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Competing for Team World in this year's Laver Cup, Schwartzman couldn't find a way through David Goffin on Day 1, losing 11-9 in the deciding tiebreaker. Isner also dropped a deciding tiebreaker, on Day 2 to Alexander Zverev.

Schwartzman
introduces his
twin...John Isner

Schwartzman introduces his twin...John Isner