22:05 CET - Jannik Sinner has won the second set to claim the Six Kings Slam! The Italian world number two was in inspired form from the outset and far too strong for Carlos Alcaraz on the day. A stunning 6-2, 6-4 victory to claim the Saudi crown and go home with a whole lot of money.
21:20 CET - Jannik Sinner has taken the first set against Carlos Alcaraz, and with ease, surging into a 6-2 lead in Saudi Arabia's mega-money event final.
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20:50 CET - It's time for the big one of the day, Carlos Alcaraz and Jannik Sinner are underway in the final of the Six Kings Slam!
20:12 CET - Out of nowhere, Novak Djokovic has retired through illness against Taylor Fritz in Saudi Arabia, just after losing the first set to hand Fritz third place.
19:28 CET - Former champion Felix Auger-Aliassime is back in the Brussels final after claiming a 7-6(2), 6-4 win over home favourite Raphael Collignon, where he will face Jiri Lehecka.
Meanwhile, Casper Ruud has also booked his spot in the showpiece event in Stockholm, easing to a 6-3, 6-4 victory against Denis Shapovalov.
17:55 CET - Corentin Moutet has set up an Almaty final with Daniil Medvedev after a 7-5, 6-4 win over Alex Michelsen. The Frenchman hasn't dropped a set all week!
17:16 CET - Jiri Lehecka has come out on top in a battle of the big servers, clinching a 7-6(3), 7-6(7) victory against Giovanni Mpetshi Perricard to move into the Brussels final.
16:08 CET - There have been some really distressing scenes in Stockholm, with top seed Holger Rune in tears after picking up what looked like a really serious injury when leading 6-4, 2-2 against Ugo Humbert. As a result, the latter has moved into the final.
14:31 CET - Daniil Medvedev has continued his recent good form with a hard-fought 6-7(8), 6-3, 6-2 victory over James Duckworth, securing his place in the Almaty final. The Russian is a win away from his first title since Rome in 2023.
13:11 CET - Ekaterina Alexandrova has continued her fantastic year with a run to the Ningbo final, clinching a comfortable 6-3, 6-4 triumph over fellow Russian Diana Shnaider to set up a showpiece meeting with Elena Rybakina.
10:40 CET - An exceptional display of big serving and shotmaking from Elena Rybakina has seen her claim a brilliant 6-3, 6-2 victory over Jasmine Paolini, and thus soar into the Ningbo final.
It is also an utterly crucial result for her regarding the Race to the WTA Finals, now putting herself in a good spot to qualify for Riyadh, while also delaying Paolini's qualification for the event.
10:13 CET - Talented Czech youngster Tereza Valentova has continued her superb run in Osaka, with the 18-year-old battling from a set down to defeat Jaqueline Cristian in a thriller, 6-7(3), 6-4, 6-3, booking her spot in a maiden WTA final!
07:40 CET - Good morning and welcome to our coverage of today's tennis in Europe and Asia!
We've got a blockbuster day of semi-finals ahead, with world number eight Jasmine Paolini set to take on former Wimbledon champion Elena Rybakina in Ningbo at 09:00 CET. This is a massive clash for more than one reason, as it is set to have massive ramifications on who will qualify for the WTA Finals.
That'll be swiftly followed by the second semi between defending champion Diana Shnaider and Ekaterina Alexandrova.
Elsewhere, Leylah Fernandez has already progressed to the Osaka final this morning with a 6-1, 2-6, 6-4 victory over Sorana Cirstea, where she will face either Jaqueline Cristian or young gun Tereza Valentova, who are currently on court.
Meanwhile, on the ATP Tour, Holger Rune, Daniil Medvedev, Casper Ruud and Felix Auger-Aliassime are among the standout names in action at tournaments in Stockholm, Brussels and Almaty.
Finally, at the Six Kings Slam in Saudi Arabia, rivals Carlos Alcaraz and Jannik Sinner face off in the showpiece event at 20:00 CET.