00:12 CET - It may be past midnight in Oslo, but the tennis is still red-hot. Casper Ruud (26) has levelled up the tie for Norway against Argentina, beating Mariano Navone (23) in straight sets 6-3, 6-3 to send us to the deciding doubles match.
23:43 CET - All over after a long day of action in Montpellier, where Georgian Nikoloz Basilashvili (32) has stunned French seventh seed Arthur Rinderknech (28) 6-0, 7-6(4).
22:07 CET - We have nearly had a major shock in the first Davis Cup rubber between Nicolai Budkov Kjaer (18) and Tomas Martin Etcheverry (25). The Norwegian teenager, ranked 450 places lower than his Argentine opponent has just lost in nearly four hours of attritional tennis with Etcheverry needing all his experience to take the first rubber 7-5, 2-6, 7-6(5).
21:11 CET - All over in Linz for the day as fifth seed Ekaterina Alexandrova (30) has beaten Aliaksandra Sasnovich (30) in straight sets 6-3, 6-2.
21:04 CET - With delays in Montpellier because of a power failure earlier in the day, still plenty of tennis on the menu tonight.
Tallon Griekspoor (28) has come through a tough battle against French veteran Richard Gasquet (38), with the Dutchman winning in three sets 6-3, 3-6, 7-5.
19:37 CET - Top seed Karolina Muchova (28) was in ruthless form this evening, powering her way past Sara Sorribes Tormo (28) 6-2, 6-3 to seal her spot in the Linz quarter-finals.
Meanwhile, in Montpellier, Aleksandar Kovacevic (26) has edged two competitive sets 7-5, 7-6(5) to see off the challenge of Mattia Bellucci (23).
17:56 CET - Second seed Elina Svitolina (30) has been dumped out in Linz, losing in straight sets 4-6, 4-6 to the mightily impressive Anna Blinkova (26).
Petra Martic (34) is also through to the next round in Austria, with the big-serving Croat battling past Elina Avanesyan (22) 6-4, 4-6, 7-5 in just shy of three hours.
17:32 CET - We're just under 30 minutes away from the opening rubber of the Davis Cup qualifier between Norway and Argentina as Nicolai Budkov Kjaer (18) takes on Tomas Martin Etcheverry (25).
Follow that match with Flashscore here.
16:43 CET - Jesper De Jong (24) has moved into the quarter-finals in Montpellier, dispatching third seed Flavio Cobolli (22) 6-3, 7-6(2) in just 83 minutes.
15:53 CET - A couple of games across the world on the WTA tour have come to a close, so let's bring you up to speed.
In Linz, fifth seed Dayana Yastremska (24) has seen off Antonia Ruzic (22) in straight sets 7-5, 6-1, whilst in the Far East, Jil Teichmann (27) of Switzerland is through to the quarter-finals in Singapore thanks to a 6-4, 6-4 victory over Olivia Gadecki (22).
14:06 CET - Xinyu Wang (23) is through to the last eight in Singapore after a convincing 6-4, 6-2 triumph over Australia's Maya Joint (18).
12:34 CET - It's been a hard-working performance from Elise Mertens (29) as the second seed needed three sets to overcome Tatjana Maria (37) 6-7(3), 6-3, 6-1 to advance into the quarter-finals and set up a tie against sixth seed Camila Osorio (23) of Colombia.
10:07 CET - Kimberly Birrell (26) is the first winner of the day in Singapore, with the Australian battling past Hailey Baptiste (23) 6-7(3), 6-3, 7-5 to seal her spot in the quarter-finals.
09:48 CET - Coming up, second seed Elise Mertens (29) faces Tatjana Maria (37) in Singapore, while Dayana Yastremska (24), Elina Svitolina (30) and Karolina Muchova (28) all take to the court in Linz this afternoon.
Meanwhile, at the ATP event in Montpellier, seeds Flavio Cobolli (22) and Tallon Griekspoor (28) are in action a little later on.
08:40 CET - Good morning and welcome to our coverage of today's tennis!