21:43 CET - Carlos Alcaraz (19) comes back to form, beating Cameron Norrie (27) in the Buenos Aires final 6-3, 7-5. Great comeback for the young world number two suffered through the end of last year and beginning of this with an injury and missed the Australian Open.
18:15 CET - MEDVEDEV IS THE CHAMPION IN ROTTERDAM! After an engrossing first set which he narrowly lost, Medvedev totally flipped the match on its head and gained control, beating Sinner 5-7 6-2 6-2. The Italian looked to have run out of steam after giving his all in the first hour, and the Russian took advantage ruthlessly to win his first title of the year and 16th overall.
17:30 CET - And Medvedev has shown his resilience, bouncing back in emphatic fashion. The Russian has clinched the second set 6-2 in just 39 minutes. We are going to a final set shootout.
16:53 CET - Sinner has won an utterly enthralling first set against Medvedev 7-5 and is now a set away from the Rotterdam title. Follow the score live right here at Flashscore.
15:18 CET - Paula Badosa (25) and Danielle Collins (29) are both out in Dubai. The Spaniard was beaten by Liudmila Samsonova (24) 6-7 7-6 6-4, while the American was comprehensively defeated by Linda Fruhvirtova (17) 6-3 6-4.
13:07 CET - Aryna Sabalenka (24) says her maiden Grand Slam triumph at the Australian Open last month has further fuelled her hunger for success, as she looks to add more silverware to her cabinet. Read the whole story
12:15 CET - Qinwen Zheng (20) had no problem against Shuai Zhang (34), crushing her opponent 6-3 6-1.
11:53 CET - Petra Kvitova (32) has strolled through, dismantling Martina Trevisan (29) 6-2 6-1.
11:17 CET - In Dubai, Barbara Krejcikova (27) has started in convincing fashion. The Czech has dispatched of Irina-Camelia Begu (32) 6-4 6-2. Madison Keys (28) is also through, while Alize Cornet (33) is out.
8:54 CET - Overnight in Buenos Aires, Alcaraz cruised to victory over Bernabe Zapata Miralles (26) 6-2 6-2, while Norrie had to battle to beat Juan Pablo Virallas (27) 7-6(5) 6-4. Read more about Alcaraz's win right HERE.
Fritz had little to worry about in Delray Beach, as he overcame Mackenzie McDonald (27) 6-3 7-6(6).
8:35 CET - There are three great finals on the ATP Tour today: Daniil Medvedev (27) vs Jannik Sinner (21) in Rotterdam, Carlos Alcaraz (19) vs Cameron Norrie (27) in Buenos Aires and Taylor Fritz (25) vs Miomir Kecmanovic (23) in Delray Beach.
The opening final comes from Rotterdam, and we will have highlights and reaction of that. The match begins at 15:30 CET. Both Medvedev and Sinner have looked in imperious form this week, so it's sure to be a high-quality affair. Who will come out on top in the first ATP 500 event of the year?
The first WTA 1000 event of the season begins today in Dubai too, with the likes of Paula Badosa (25) and Petra Kvitova (32) in action. We will have highlights of that throughout the day.