4 – Since the Australian Open switched to hard court in 1988, Jannik Sinner could become only the 4th player to win the Australian Open and US Open in the same year after Wilander (1988), Federer (2004, 06, 07) & Djokovic (2011, 15, 23). Opportunity. #USOpen | @usopen @atptour pic.twitter.com/TFg4FhzSiw— OptaAce (@OptaAce) August 26, 2024