18:20 CET - Spanish veteran Roberto Bautista-Agut (36) is through to the final in Antwerp after easing past Hugo Gaston (24) in straight sets, 6-3, 6-4.
Meanwhile, in Almaty, third seed Karen Khachanov (28) has booked his spot in tomorrow's showpiece, beating Aleksandar Vukic (28) 6-7(3), 6-3, 6-4.
16:54 CET - The second semi-final retirement in China comes from Karolina Muchova (28) after the Czech lost the first set 1-6 to teenage sensation Mirra Andreeva (19) who will meet Daria Kasatkina (27) in the final.
16:05 CET - American Tommy Paul (27) has won the first semi-final in Stockholm after a dominant 6-3, 6-2 win against Stan Wawrinka (39).
15:19 CET - Following a stop-start few hours because of rain, Daria Kasatkina (27) has moved into the final in Ningbo, with Paula Badosa (26) unfortunately retiring with an injury after losing the first set 4-6. A real shame for the Spaniard, who has picked up so much momentum in the second half of 2024.
13:28 CET - Canada's Gabriel Diallo (23) is into his very first ATP Tour final, upsetting No. 4 seed Francisco Cerundolo (26) 6-4, 6-2 in just over an hour in Almaty.
09:24 CET - Today's semi-finals in Osaka have now been postponed until tomorrow after heavy rain swept through the Japanese city.
07:35 CET - Good morning and welcome back to the Tennis Tracker on what promises to be a super busy Saturday!
Before we look ahead to what is in store, the semi-finals overnight in Osaka have been delayed due to rain, with Suzan Lamens (25), Diane Parry (22), Aoi Ito (20) and Kimberly Birrell (26) all still waiting for the green light this morning.
Later today, the WTA 500 event in Ningbo will know its two finalists, with Paula Badosa (26) taking on Daria Kasatkina (27) at 10:30 CET, which is then followed by Karolina Muchova (28) vs Mirra Andreeva (17).
In Almaty, Karen Khachanov (28) and Francisco Cerundo (26) will both be eyeing a spot in the final, while there are two tasty clashes in Stockholm from 14:30 CET between surging veteran Stanislas Wawrinka (39) and Tommy Paul (27), and 2013 champion Grigor Dimitrov (33) and Tallon Griekspoor (28).
Jiri Lehecka (22) is the highest-ranked player left in Antwerp, and will be fancying his chances of clinching just his second-ever title.
And finally, the inaugural Six Kings Slam event in Saudi Arabia takes place this afternoon, with two mouth-watering clashes to look forward to.
Novak Djokovic (37) takes on his fierce rival Rafael Nadal (38) for the last time in the battle for third place, before the main event: World No.1 Jannik Sinner (23) vs Carlos Alcaraz (21) in the final for a whopping sum of six million dollars!
What a day!