Murray played five matches in a short week in Doha, reaching the final.
Perfect health remains out of reach for the No.2-ranked Spaniard.
Novak Djokovic celebrates his record 378th week as world No. 1, the most weeks any player has held the top spot.
Illness knocks 2021 US Open champion out of this week's Austin ATX Open.
Feliciano Lopez took to Twitter to find a partner.
Barbora Krejcikova is bidding to pull off a rare triple crown achievement by beating the world's top three ranked players in Dubai.
Barbora Krejcikova, who fought into the Dubai semifinals, is one of several Fila stars who will debut the new Tie Breaker collection.