Jannik Sinner stuns world No. 3 Stefanos Tsitsipas to reach Rotterdam quarter-finals, Holger Rune retires with injury
Jannik Sinner claimed one of the biggest wins of his career to date after sensationally dumping Stefanos Tsitsipas out in Rotterdam. Sinner won 6-4 6-3 to reach the quarter-finals of the ATP 500 event. Ad It was an impressive show of maturity from the 21-year-old who avenged his defeat in five sets to the world No.