Former World No. 7 Fernando Verdasco will retire from professional tennis after playing doubles with Novak Djokovic at next week’s Qatar Open, the Spaniard announced on Friday.

Sabalenka faces a possible opening-round rematch with Ekaterina Alexandrova, who defeated the world No. 1 last week in Doha.

Jannik Sinner accepted on Saturday a three-month ban from tennis after the world number one admitted team mistakes led to him twice testing positive for traces of banned substance clostebol last year.