23:53 - Daniil Medvedev's (27) win closes out the day - the Russian came back from one set down to beat Alejandro Davidovich Fokina (23) 4-6, 6-2, 6-2 in Rotterdam.
21:34 - Auger-Aliassime and Sonego produced our ATP Flashmoment with a brilliant rally.
21:16 CET - Stefanos Tsitsipas (24) eases past Emil Ruusuvuori (23) 7-5, 6-1 in Rotterdam.
21:00 CET - World number 8 Daria Kasatkina (25) triumphed over Rebecca Marino (32) in Dauha 7-6, 6-2.
19:25 CET - Zheng may have lost, but she produced a magnificent 'tweener' to end a rally, and it's our WTA FlashMoment for today.
19:05 CET - Maria Sakkari (27) is also through, outlasting Qinwen Zheng (20) 6-2 3-6 6-3.
18:30 CET - Karolina Pliskova (30) lost badly to Ekaterina Alexandrova (28) in the battle of two neighbors in the WTA ranking, falling 1-6, 2-6.
18:15 CET - Beatriz Haddad Maia (26) is safely through to the last 16 in Doha, after beating Paula Badosa (25) in two tight sets 7-6(6) 6-3. The latter looked to be struggling with some sort of illness throughout the match.
17:57 CET - Reigning champion Felix Auger-Aliassime (22) has cruised through in Rotterdam, dismantling Lorenzo Sonego 6-2 6-3.
16:22 CET - Belinda Bencic's (25) stunning form shows no sign of letting up, as she annihilates Viktoriya Tomova (27) 6-0 6-1 to make an early statement in Doha. Sofia Kenin (24) is also through after beating Liudmila Samsonova (24) 6-3 6-1.
In Rotterdam, Alexander Zverev (25) is off and running, beating Soonwoo Kwon (25) 6-4 7-6(4) in what was a hard-fought contest.
15:09 CET - Jelena Ostapenko (25) is the next name through in Qatar, impressively soaring past Madison Keys (27) 7-5 6-2.
14:10 CET - Danielle Collins (29) beat Elise Mertens (27) in Doha 6-4, 7-6. Meanwhile in Rotterdam, Hubert Hurkacz (26) needed three sets to overcome Roberto Bautista-Agut (34) 7-5, 6-7, 7-6.
13:26 CET - Petra Kvitova (32) is through in Doha, defeating Shuai Zhang (34) 7-5 6-2.
11:04 CET - One of last year's biggest breakout stars in the men's game was Norway's Casper Ruud (24), the current world number four. Get to know him a little bit better in the video piece below.
10:21 CET - In case you missed it overnight, Jaume Munar (25) claimed his first win of the season, beating Guido Pella (32) 6-4 7-5 in Buenos Aires.
10:12 CET - Iga Swiatek (21) is looking to retain her Doha crown this week, and will play her first match tomorrow. Despite her simply sensational 2022, the Pole says she needs to realise that she can't always be perfect. Read more about it HERE.
8:23 CET - The action resumes on the ATP and WTA circuits today, and we have a number of the biggest names in tennis set to take to the court. In Rotterdam, Stefanos Tsitsipas (24), Daniil Medvedev (27) and reigning champion Felix Auger-Aliassime (22) get their campaigns off and running, while the in-form Belinda Bencic (25) leads a star-studded day in Doha.
Alongside those tournaments, we have coverage of all the matches in Buenos Aires and Delray Beach right here for you.
