20:30 CET - That's all for the semi-finals today but tune in tomorrow for updates on the rest of the postponed clash in Berlin and the final there as well as in Birmingham, at Queen's, and over in Halle!
20:20 CET - Well, we will have to wait until tomorrow to find out who will face Anna Kalinskaya (25) in the final in Berlin as play has been suspended for the day in the second semi-final with Jessica Pegula (30) leading Coco Gauff (20) 7-5, 6-6(3/1). So close to a finish!
19:37 CET - Tommy Paul (27) has made it into the final of Queen's with a 6-4, 7-6 win over compatriot Sebastian Korda (23). With that win, he has become the American number one for the first time.
17:46 CET - Anna Kalinskaya (25) has beaten Victoria Azarenka (34) 6-1, 6-7 (3-7), 6-1 to book her place in Berlin's final.
16:50 CET - Over to Germany where world number one Jannik Sinner (22) will face Hubert Hurkacz (27) in the final in Halle tomorrow after the Italian beat Zhizhen Zhang (27) 6-4, 7-6 in their semi-final. Another title for Sinner? You wouldn't bet against him...
16:43 CET - Lorenzo Musetti (22) has booked the first final berth at Queen's with a 6-3, 3-6, 6-3 win over Jordan Thompson (30).
In tomorrow's final, Musetti will face the winner of the all-American clash between Sebastian Korda (23) and Tommy Paul (27).
15:25 CET - Yulia Putintseva (29) will face Ajla Tomljanovic (31) in the final in Birmingham tomorrow after the Aussie beat Anastasia Potapova (23) 7-6, 6-4 in the second semi-final.
15:10 CET - We have caught up with the quarter-finals now in Berlin. Jessica Pegula (30) finished up her delayed match with Katerina Siniakova (28), winning 7-6, 3-6, 6-3.
Pegula will face Coco Gauff (20) in the semi-finals later today.
Over in Birmingham, Yulia Putintseva (29) beat Elisabetta Cocciaretto (23) 6-2, 6-2 to progress to the final.
14:50 CET - Hubert Hurkacz (27) has beaten second seed Alexander Zverev (27) 7-6, 6-4 to book his spot in tomorrow's final in Halle.
He will face the winner of the second semi-final between Jannik Sinner (22) and Zhizhen Zhang (27), starting shortly.
14:20 CET - The first set between Coco Gauff (20) and Ons Jabeur (29) was one of the best of the year, with the American winning it 7-6 (9) in well over an hour, but Jabeur was then sadly forced to retire with an injury.
13:22 CET - Aryna Sabalenka (26) is out! The world number three has retired from her match with Anna Kalinskaya (25) while 5-1 down in the first set.
12:11 CET - Happy semi-final day! The final four in London, Birmingham, Berlin and Halle will all be battling it out for a place in their respective finals today.
Before that though, the Berlin quarter-finals need to be completed after being postponed by rain yesterday, and what quarter-finals they are, with world number three Aryna Sabalenka (26) facing Anna Kalinskaya (25) and world number two Coco Gauff (20) taking on two-time Wimbledon runner-up Ons Jabeur (29).
09:10 CET - Hello and welcome to Flashscore's coverage of today's tennis!