Matteo Berrettini shocked Novak Djokovic 7-6(4), 6-2 in a first-rate Doha performance that spoiled the Serbian’s comeback from a leg injury.

Swiatek shook off last week's loss to Ostapenko in Doha with a commanding effort.

World No. 47 Peyton Stearns out-dueled Ons Jabeur 7-6(6), 6-4 for her 11th career Top 50-win in Dubai.

Jannik Sinner's doping suspension sparks strong reaction in fellow Grand Slam champions Aryna Sabalenka, Daniil Medvedev and Coco Gauff.