22:08 CET - Cameron Norrie (27) beat Juan Pablo Varillas (27) in Argentina 7-6, 6-4.
21:39 CET - Jannik Sinner (21) is off to the final in Rotterdam, beating local hero Tallon Griekspoor (26) in a tightly contested match 7-5, 7-6.
17:10 CET - World number one Iga Swiatek (21) gave little chance to Jessica Pegula (28), beating the world number four 6-3, 6-0 to claim the title in Doha. Read more about her title win here and see the highlights and post-match interview below.
16:32 CET - Daniil Medvedev (27) cruises to the final in Rotterdam, beating Grigor Dimitrov (31) 6-1, 6-2.
16:15 CET - It's final time at the WTA Doha Open! World number one Iga Swiatek (21) and Jessica Pegula (28) have taken the court in Qatar. You can follow all the action live on Flashscore. Check back in with us on today's Tennis Tracker for the result later.
16:10 CET - The guys want to be him and the girls want to be near him. His name is Matteo Berrettini (26) and you can get to know a bit more about the Italian star below.
16:05 CET - One of the ATP circuit's favourite sons Frances Tiafoe (25) showed up on another court at the NBA All-Star Weekend.
16:00 CET - The semi-finals are underway at the ATP tournament in Rotterdam. Russian Daniil Medvedev (27) is currently taking on Grigor Dimitrov (31) in the first semi. Follow all the action on Flashscore.
8:33 CET - Let's update you with some of the results overnight. No.1 seed Carlos Alcaraz (19) defeated Dusan Lajovic (32) 6-4 6-2 to reach the semis in Argentina. Brit Cameron Norrie (27) also made it through, and they look on course to meet in the final.
The No.1 seed in Delray Beach, Taylor Fritz (25), was made to battle in a tense first set tiebreak to overcome Adrian Mannarino (34) 7-6(8) 6-4.
8:23 CET - What a day of tennis we have in store today, with a heavyweight final in Doha between Iga Swiatek (21) and Jessica Pegula (28) the main attraction of the day. Alongside that, the Rotterdam semi-finals take place, with the likes of Daniil Medvedev (27) and Jannik Sinner (21) looking to reach the final.
The ATP events at Delray Beach and Buenos Aires are also at the semi-final stage, with a number of big hitters looking to make it through to their showpiece event on Sunday.