Popsugar Health & Fitness Disability Diede de Groot, Dylan Alcott Win Golden Slam at 2021 US Open On the Same Day, Diede de Groot and Dylan Alcott Achieve the First Golden Slams in Wheelchair Tennis History 12 September 2021 by Samantha Brodsky View On One Page Photo 3 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Previous Next Start Slideshow DisabilityAthletesSportsUS OpenTennis