Stefanos Tsitsipas, who was the runner-up in 2021, registered a 6-3, 6-4 win against Roman Safiullin in his Mexican Open, an ATP 500 event, first round late on Tuesday.
Italy's Jannik Sinner stormed into his maiden semifinals at the Wimbledon here by beating unseeded Roman Safiullin in four sets in a quarterfinal clash.
World No.21 Nick Kyrgios withdrew from his home major, Australian Open, due to a knee injury. He made the announcement here at Melbourne Park on Monday.