23:30 CET - It’s a day of finals tomorrow with Beatriz Haddad Maia (27) and Qinwen Zheng (21) meeting in the WTA Elite Trophy decider in the morning.
Later, Daniil Medvedev (27) plays Jannik Sinner (22) for the title in Vienna.
Finally, Hubert Hurkacz (26) and Felix Auger-Aliassime (23) will play for the crown in Basel.
Tune in to the Tennis Tracker for all those results and more!
21:02 CET - Daniil Medvedev (27) may have beaten Stefanos Tsitsipas (25) today in their semi-final in Vienna but the Greek did pull off some great shots, including in this rally, our FlashMoment of the day!
20:58 CET - A brilliant rally between Beatriz Haddad Maia (27) and Daria Kasatkina (26) in their WTA Elite Trophy semi-final meeting was our moment of the day on the women’s circuit.
19:53 CET - In the second semi-final in Basel Holger Rune's (20) run has come to an end after losing 3-6, 2-6 against the impressive Canadian Felix Auger-Aliassime (23).
18:45 CET - Meanwhile over in Switzerland Hubert Hurkacz (26) has won the first semi-final 6-4, 3-6, 7-6 (7-5) against Ugo Humbert (28) in an encounter which ebbed and flowed to reach the final.
18:17 CET - After a tight encounter between the world number four and world number five, Jannik Sinner (22) comes out top against big-hitting Andrey Rublev (26) 7-5, 7-6 (7-5). Sinner moves into the final where he will face world number three Daniil Medvedev (27) in a fascinating encounter.
16:12 CET - Daniil Medvedev (27) has beaten Stefanos Tsitsipas (25) to become the first finalist of the year in Vienna. The world number three beat the world number seven 6-4, 7-6.
14:10 CET - We are not far from the start of one of the matches of the day with top seed Daniil Medvedev (27) playing Stefanos Tsitsipas (25) in the first Vienna semi-final.
Which bad dancer will win this one?
13:54 CET - The second semi-final in Zhuhai has been won by home favourite Qinwen Zheng (21), who has beaten compatriot Lin Zhu (29) 7-5, 4-6, 6-1.
09:50 CET - Beatriz Haddad Maia (27) has made into the final of the WTA Elite Trophy, with the Brazilian beating Daria Kasatkina (26) 6-4, 6-1.
09:38 CET - Ahead of today's ATP action in Basel and Vienna, catch up on what happened in yesterday's quarter-finals here.
07:35 CET - Hello and welcome to our coverage of what is sure to be a thrilling day in the world of tennis, with heavyweight clashes taking place in all three of the ongoing tournaments.
