All eyes will be on American tennis player Ben Shelton during Wednesday's men's quarterfinal at Wimbledon, as he takes on No. 1 seed Jannik Sinner.

Tennis pro Ben Shelton was competing against Jannik Sinner at Wimbledon on July 9, when the announcer drew attention to the round marks that are visible on his arms, calling them evidence of "cupping.

THE ALL ENGLAND CLUB, LONDON — There are only two players who have been able to knock Ben Shelton out of Grand Slams this year: Carlos Alcaraz and Jannik Sinner. That’s good news and bad for Shelton, who exited Wimbledon in the quarterfinals Wednesday afternoon as Sinner sent him home, 7-6 (2), 6-4, 6-4.