Tennis Tracker: Djokovic survives mighty scare but edges through in Dubai
19:03 CET - Novak Djokovic has survived an almighty scare against Tomas Machac (22) as he edges past the Czech 6-3 3-6 7-6(1). His opponent was producing some awe-inspiring tennis, reeling off 21 winners in the final set, but the Australian Open champion found a way and upped his level in the deciding tiebreak.
18:43 CET - Some bad news regarding Rafael Nadal (36). The Spaniard has withdrawn from Indian Wells next week due to his ongoing injury. You can read about it HERE.
16:26 CET - Medvedev has had no problem in his opening match in Dubai, coasting past Matteo Arnaldi (22) 6-4 6-2.
14:41 CET - The Hopman Cup is set to return this year after a four-year absence. In a big boost for the ITF, Carlos Alcaraz will take part in the relaunched event. Read more about it HERE.
14:11 CET - Auger-Aliassime was made to work by the big-serving Maxime Cressy (25), but the Canadian is through after a 7-6(4) 3-6 6-3 victory.
13:21 CET - There has been an upset in Dubai. No.6 seed Karen Khachanov (26) has fallen at the hands of Botic Van De Zandschulp (27) 7-5 6-2.
9:09 CET - And Ruud is just about through in Acapulco, after squeezing past Andreozzi in a thriller 6-4 4-6 7-6(2). The match clocked in at just under three hours.
8:33 CET - World No.2 Carlos Alcaraz (19) is likely to pull out from Acapulco due to a leg injury, according to his coach. You can read more about it HERE.
8:09 CET - Andy Murray (35) says he is targeting a deep run in Wimbledon, with his best chance of Grand Slam success coming in front of the British fans. Read more about it HERE.
7:59 CET - There were a few matches going in Acapulco overnight, so let's update you with some of the winners. Taylor Fritz (25), Denis Shapovalov (23) and Holger Rune (19) all had to battle in three sets to reach the next round, while Frances Tiafoe (25) and Tommy Paul (25) just needed the two sets.
Casper Ruud (25) is on court right now, and has been taken to a third set by Guido Andreozzi (31). You can follow the score right HERE on Flashscore.
7:53 CET - Novak Djokovic (35) makes his return to the ATP Tour today, as he begins his quest to win the Dubai title. He headlines a jam-packed day, with Daniil Medvedev (27) and Felix Auger-Aliassime (22) also in action.
We will also have coverage of the WTA Tour, with tournaments in Austin and Monterrey going on.