23:54 CET - Lorenzo Musetti has motorred through in Vienna with an impressive performance against Tomas Martin Etcheverry, winning 6-3, 6-4 to set up a quarter-final with Corentin Moutet.
22:02 CET - World number two Jannik Sinner was given a test by fellow countryman Flavio Cobolli in the second set of their last-16 clash, but ultimately, he had too much quality as he went on to clinch a 6-2, 7-6(4) win in Vienna.
21:40 CET - There's been a shock to end the day in Basel, top seed Taylor Fritz has been dumped out by Ugo Humbert, who's won their second-round clash 6-3, 6-4 in under 90 minutes.
It's Humbert's first victory over a top-five player this year.
The Frenchman thus completes the quarter-final bracket in Basel. Catch up on all the other results here.
20:00 CET - Casper Ruud has secured his place in the next round at Basel after downing veteran Stan Wawrinka 6-4, 7-6(5).
19:55 CET - Alexander Zverev has avoided another shock exit in Vienna after winning 6-4, 6-4 against Matteo Arnaldi, booking his spot in the next round.
18:35 CET - Alexander Bublik is the next player through in Vienna after downing Franco Cerundolo 6-4, 6-2 to progress.
18:17 CET - The shocks keep coming this Thursday evening as Daniil Medvedev has lost in Vienna to Corentin Moutet. The Frenchman won 7-6(3), 6-4 to get revenge for losing the Almaty final last week.
18:00 CET - Ben Shelton has been stunned in Basel! The big-hitting American failed to turn up this afternoon and was punished for it by Jaume Munar, who claimed a shock 6-3, 6-4 win.
16:10 CET - Elsewhere in Basel, another Canadian, Denis Shapovalov, has booked his spot in the next round with a dominant 7-6 (3), 6-2 win against Valentin Royer.
16:05 CET - Another very impressive display by Felix Auger-Aliassime as the Canadian had an astonishing 28 aces en route to a 7-6 (2), 7-6 (2) victory against Marin Cilic in Basel.
15:00 CET - Katie Volynets and Shuai Zhang have both claimed wins to set up a quarter-final meeting in Guangzhou.
12:32 CET - Sofia Kenin has survived a real test from 17-year-old Wakana Sonobe, with the American defeating the home favourite 3-6, 6-1, 7-6(2) to move into the Tokyo last eight.
11:24 CET - Caty McNally is the next player to progress in Guangzhou, clinching a hard-fought 6-4, 4-6, 6-3 win over Australian Ajla Tomljanovic.
11:09 CET - Billie Jean King Cup hero Elisabetta Cocciaretto is through to the Guangzhou quarter-finals after a 6-3, 2-6, 6-3 victory over Xiyu Wang.
08:45 CET - The next player to book a quarter-final spot in Tokyo is third seed Ekaterina Alexandrova after she impressively downed Jaqueline Cristian 6-1, 6-2 in just over an hour.
07:30 CET - Good morning and welcome back to another intriguing day on the WTA and ATP tours.
There are some overnight results to bring you from Tokyo as Belinda Bencic defeated Varvara Gracheva 6-3, 6-4 before second seed Elena Rybakina won 6-4, 6-3 against Leylah Fernandez to cruise into the quarter-finals.