13:15 CET - Play is just getting underway for the day in Vienna, too, as Tomas Machac takes on Wimbledon quarter-finalist Flavio Cobolli.
There are some big names to come later with Daniil Medvedev, Jannik Sinner and finally Alex De Minaur all taking to the court.
Follow all the action from Vienna with Flashscore.
12:42 CET - With Jiri Lehecka a set down to Botic Van De Zandschulp in the opening game, it is a big day of action from Basel on the ATP tour.
Other big names in action in Basel include Casper Ruud, Felix Auger-Aliassime and Taylor Fritz, all before a battle between the future of tennis as Jakub Mensik takes on Joao Fonseca.
Follow all the action from Basel this afternoon.
11:45 CET - Karolina Muchova has overcome Maya Joint in a really entertaining encounter in Tokyo, with the Czech defeating the 19-year-old 6-3, 7-5 to book her spot in the quarter-finals.
10:10 CET - The final match of the day in Tokyo is a fascinating one as rising star Maya Joint takes on the experienced eighth seed Karolina Muchova and that clash is underway.
10:00 CET - A mammoth battle in Tokyo has come to an end, and the seventh seed Diana Shnaider is out! Despite forcing the match to a deciding set, it was her opponent Anna Kalinskaya who came out on top in the final set tiebreak to win 7-6(4), 4-6, 7-6(5).
07:40 CET - Good morning and welcome to today's coverage from around the world of tennis!
A couple of overnight results from Tokyo to bring you, as Linda Noskova continued her impressive end to 2025 after coming from a set down to secure a hard-fought 5-7, 6-3, 6-4 victory against McCartney Kessler and a spot in the quarter-finals.
Elsewhere this morning, another rising star, Canadian Victoria Mboko, thrashed Germany's Eva Lys 6-1, 6-1 to book her spot in the quarter-finals.
There is a match ongoing in Tokyo as the seventh seed Diana Shnaider takes on fellow-Russian Anna Kalinskaya.
Follow all the action in Tokyo this morning with Flashscore.
