21:31 CET - Back to the Hopman Cup, where Italy have picked up another win thanks to a 6-2, 6-4 win for Flavio Cobolli over French veteran Richard Gasquet.
21:04 CET - We are done for the day in Hamburg, where fifth seed Lois Boisson moves into the semi-finals thanks to a comfortable 6-3, 6-3 victory over Bulgaria's Viktoriya Tomova.
19:52 CET - Anna Bondar is through to the last four in Hamburg after an impressive 6-7(1), 6-3, 7-6(4) comeback win over top seed Ekaterina Alexandrova.
19:45 CET - Lucia Bronzetti has put Italy 1-0 ahead in their Hopman Cup clash against France, with the world number 64 battling past Chloe Paquet in three sets, 6-4, 6-7(5), 10-8.
19:26 CET - Top seed Francisco Cerundolo is safely through to the semi-finals in Bastad, having survived a second-set wobble to defeat Damir Dzumhur 6-0, 3-6, 6-3.
19:09 CET - Over in Iasi, home favourite Irina-Camelia Begu is through to the semi-finals after a hard-fought 6-2, 3-6, 7-5 victory over Anna Siskova.
18:29 CET - Canada have taken a 1-0 lead in their Hopman Cup tie against Spain after Bianca Andreescu outclassed Marina Bassols 6-0, 6-1.
17:20 CET - Luciano Darderi has eased into the Bastad semi-finals, with the Italian thrashing fourth seed Sebastian Baez 6-0, 6-2 in just 66 minutes.
16:57 CET - Alexander Bublik is continuing his impressive form in Gstaad this week, sealing his place in the semi-finals after a comfortable 6-4, 6-3 victory over Francisco Comesana.
Meanwhile, in Hamburg, second seed Dayana Yastremska has progressed to the last four courtesy of a hard-fought 7-6(1), 3-6, 6-2 win against Dalma Galfi.
16:15 CET - The latest man through in Bastad is Camilo Ugo Carabelli, with the Argentine seeing off Filip Misolic in straight sets, 6-3, 7-5.
15:24 CET - Casper Ruud is out in Gstaad. The Norwegian top seed has been defeated by Argentina's Juan Manuel Cerundolo in three sets, 6-2, 1-6, 6-3.
14:50 CET - Some home cheer in Iasi, where Romanian Sorana Cirstea is into the semi-finals, thanks to a 6-1, 6-4 victory over Maria Lourdes Carle.
13:50 CET - The second seed is out in Bastad! Tallon Griekspoor has been stunned by fellow Dutchman Jesper De Jong in a thrilling contest in Bastad. De Jong came out on top in the deciding set to win 4-6, 7-6 (7-3), 6-3.
13:07 CET - Over in Gstaad, Ignacio Buse is through to the last four after a topsy-turvy 6-3, 3-6, 6-1 triumph against Roman Andres Burruchaga.
12:45 CET - Jil Teichmann is the first woman through to the semi-finals in Iasi, with the Swiss player outlasting compatriot Simona Waltert in a 5-7, 6-1, 7-5 victory.
09:49 CET - Before we look ahead to today's action in Europe, the Los Cabos quarter-finals were played overnight, with top seed Andrey Rublev recovering from a set down to outlast Emilio Nava, 5-7, 6-4, 6-3.
Denis Shapovalov also progressed to the last four after beating Tristan Schoolkate 6-3, 6-2, while Aleksandar Kovacevic and Adam Walton completed the semi-final lineup in Mexico.
Catch up on all the action here.
09:00 CET - Good morning and welcome to our coverage of today's tennis!