Sinner crashes out of Qatar Open as Alcaraz progresses to semi-finals

Jannik Sinner crashed out of the Qatar Open quarter-finals in a shock 6-7 6-2 3-6 defeat to World No 16 Jakub Mensik. Jannik Sinner crashed out of the Qatar Open quarter-finals in a shock 6-7 6-2 3-6 defeat to World No 16 Jakub Mensik.