16:55 CET - The final matches have wrapped up in Chengdu and Hangzhou, and both have been won by Kazakhs, with Alexander Bublik and Alexander Shevchenko both moving into their respective tournaments' semi-finals.
Bublik thrahed Dalibor Svrcina 6-1, 6-1 in Hangzhou, while Shevchenko battled past Taro Daniel 7-6, 3-6, 6-2 in Chengdu.
Check out the semi-final bracket in Hangzhou here, and Chengdu here.
We'll be back in the evening with a new Tracker to cover the Laver Cup!
15:35 CET - Second seed Daniil Medvedev has been stunned in the Hangzhou quarter-finals by world number 196 Wu Yibing, who has roared back from 5-3 down in the second set to win 5-7, 7-6, 6-4 and book his spot in the semi-finals!
What an upset.
14:41 CET - Italy have won the Billie Jean King Cup final, thanks to Jasmine Paolini's 6-4, 6-2 win over Jessica Pegula of the USA!
Paolini's win followed Elisabetta Cocciaretto beating Emma Navarro 6-4, 6-4, meaning the Italians won the deciding tie 2-0 to defend their BJK Cup title.
It is Italy's sixth triumph in the competition's history.
13:45 CET - Top seed Lorenzo Musetti is into his third-straight Chengdu semi-final after grabbing a simple 6-3, 6-3 win against Georgian qualifier Nikoloz Basilashvili.
12:55 CET - Iga Swiatek has clinched the Seoul title after an epic final win over Ekaterina Alexandrova! The Pole had to bring her best tennis against the Russian - who played at a seriously high level - as she eventually got over the line, 1-6, 7-6(3), 7-5.
It is Swiatek's third title of the year, and she now heads to Beijing with plenty of form and confidence.
12:48 CET - What a performance from Elisabetta Cocciaretto to give Italy the lead in the Billie Jean King Cup final! The 24-year-old was absolutely fantastic for her nation, claiming an emphatic 6-4, 6-4 win over the USA's Emma Navarro.
Jasmine Paolini now has the chance to win the title for Italy, but Jessica Pegula will have something to say about that.
Follow the second rubber live with Flashscore.
12:07 CET - After his victory over top seed Andrey Rublev yesterday, French qualifier Valentin Royer has followed that up with another impressive 7-6(0), 4-6, 6-2 win against seventh seed Learner Tien, booking his spot in the Hangzhou semi-final.
Meanwhile, Brandon Nakashima has overcome fellow American Marcos Giron 6-3, 2-6, 7-6(3) in a really exciting match in Chengdu, moving into the last four.
11:47 CET - After losing the first set 6-1, Iga Swiatek has bounced back against Ekaterina Alexandrova, winning the second 7-6(3) to take the Seoul final to a decider.
Follow the final set live with Flashscore!
10:45 CET - The Billie Jean King Cup final is fast approaching, with play due to start in 15 minutes between Italy and the USA.
Italy are looking to defend their title after victory over Slovakia in last year's final, while the USA are eyeing their first BJK Cup win since 2017. Despite being the most decorated nation in this competition with 18 crowns, their 2017 triumph is their only one of the 21st century.
First up, Elisabetta Cocciaretto takes on Emma Navarro, before Jasmine Paolini comes up against Jessica Pegula.
Follow the singles matches live with us!
09:50 CET - We are just 10 minutes away from the start of the Seoul final, which sees the top two seeds, Iga Swiatek and Ekaterina Alexandrova, face off.
There is little doubt that the Pole goes in as the big favourite to clinch her third title of 2025, but the Russian will attempt to upset the odds for her second crown this year.
Follow the match live with us at Flashscore!
09:38 CET - Alejandro Tabilo has booked his spot in the Chengdu last four after a come-from-behind victory over Christoper O'Connell, winning 4-6, 7-5, 6-2 in two and a half hours. A massive moment for the qualifier, who is into an ATP semi-final for the first time since 2024.
08:56 CET - Fourth seed Corentin Moutet has moved into the Hangzhou semi-finals after his opponent, Tomas Martin Etcheverry, had to retire from the match with an injury despite winning the first set. A massive shame for the Argentine.
07:45 CET - What a truly remarkable day for Team World! Alex De Minaur and Alex Michelsen have claimed a 6-3, 6-4 victory over Casper Ruud and Holger Rune in the doubles, meaning World have won every single match on day two without dropping a set, storming to a 9-3 lead over Team Europe. What a position they are in ahead of the third and final day!
05:45 CET - Taylor Fritz stuns Carlos Alcaraz in straight sets 6-3, 6-2 to put Team World up 7-3, taking each set in under 40 minutes.
It marks Fritz's first-ever win over the world's No. 1.
02:40 CET - Francisco Cerundolo defeats Holger Rune in straight sets 6-3, 7-6. The Argentinian's win gives Team World the 5-3 lead at the Laver Cup.
23:55 CET - Australia's Alex De Minaur earns a huge 6-1, 6-4 win over Alexander Zverev, as Team World wins for the second time in this year's Laver Cup.
23:15 CET - Alex De Minaur won the first set 6-1 against Alexander Zverev in just 34 minutes. A huge chance for Team World to claim a huge win.
22:00 CET - We are moments away from the big one between Germany's Alexander Zverev and Alex De Minaur of Australia at the Laver Cup. Follow the match live on Flashscore.
20:10 CET - Good evening and welcome back to the Tennis Tracker this evening!
There is so much great tennis to look forward to over the coming hours, with full focus on the Laver Cup first up. Team Europe currently hold a 3-1 advantage on Team World, but on day two, wins are worth two points.
In two hours time, Alexander Zverev and Alex De Minaur get proceedings underway, before Holger Rune meets Francisco Cerundolo.
In the early hours of the morning, Carlos Alcaraz comes up against Taylor Fritz in the standout fixture of the tournament, before the doubles clash sees Casper Ruud and Holger Rune team up to take on Alex Michelsen and De Minaur.
Once the action is done in San Francisco, attention turns to Asia, where top seeds Iga Swiatek and Ekaterina Alexandrova face off in the Seoul final at 10:00 CET on Sunday, before the Billie Jean King Cup final at 11:00 CET between defending champions Italy and the USA.
Meanwhile, over in Chengdu and Hangzhou, the quarter-final stage has arrived, with Lorenzo Musetti and Daniil Medvedev both looking to continue their runs to the title.