04:25 CET - It is a DC Open semi-final appearance for Ben Shelton, who defeats fellow countryman Francis Tiafoe 7-6 (2), 6-4 in a tight encounter.
03:25 CET - Anna Kalinskaya is the final player to qualify for the semi-finals in DC on the women's side after getting the better of Denmark's Clara Tauson 6-3, 7-5.
02:00 CET - A few results over the last little bit. The upset of the day saw Corentin Moutet get past Daniil Medvedev 1-6, 6-4, 6-4 in two hours and 21 minutes. Alex De Minaur joined the Frenchman in the semi-finals after defeating Brandon Nakashima 6-4, 6-4.
Elena Rybakina also progressed as she beat Magdalena Frech 6-3, 6-3 to progress to the semi-finals in the American capital.
22:55 CET - Carlos Taberner has produced a surprise victory to join Bublik in the Umag final after outclassing fourth seed Damir Dzumhur 6-2, 6-1 in just one and a half hours. Ruthless.
21:35 CET - Back to Washington and after Raducanu's win earlier, Leylah Fernandez is the second woman to book her place in the semi-finals with an impressive 6-4, 7-6 (7-4) victory against home favourite Taylor Townsend.
If Raducanu and Fernandez can find a way through their respective semi-finals, then a rematch of the 2021 US Open final would await them.
20:40 CET - Over in Croatia, meanwhile, the second seed Luciano Darderi has beaten third seed rival Camilo Carabelli to reach the final after edging to a 7-6 (8-6), 6-3 victory.
20:25 CET - Emma Raducanu is a player reborn. The British number one has won again in Washington to become the first semi-finalist after an impressive 6-4, 7-5 victory against Maria Sakkari.
19:39 CET - Alexander Bublik is now one win away from claiming his third ATP title of the summer after beating Botic van de Zandschulp 6-3, 6-4 in the Kitzbuhel semis.
The 28-year-old has now won seven matches in a row and 16 of his last 18!
17:42 CET - Top seed Linda Noskova has set up a final with fellow Czech Marie Bouzkova on home turf in Prague after claiming a comfortable 6-4, 6-1 win over Xinyu Wang, who looked to be struggling with her fitness after having played two matches in a day.
16:52 CET - Talented young player Arthur Cazaux has caused an upset to reach the final in Kitzbuhel after beating fellow Frenchman and sixth seed Arthur Rinderknech 7-5, 6-3 despite a lengthy weather delay.
16:15 CET - The first semi-final of the day in Prague has been concluded with fifth seed Marie Bouzkova winning 6-4, 7-5 comfortably against fellow-Czech player Tereza Valentova.
12:44 CET - After her match was postponed yesterday due to rain, fourth seed Xinyu Wang got the win in Prague early this afternoon, clinching a 6-4, 6-1 victory over 19-year-old Sara Bejlek. She will now have to face top seed Linda Noskova later this afternoon in the semi-finals.
08:20 CET - Hello and welcome to Flashscore's coverage of today's tennis!
First on the agenda are the semi-finals in the three clay-court tournaments taking place in Europe, with Alexander Bublik looking to move within one win of the title in Zitzbuhel, Luciano Darderi in Umag and Linda Noskova at the Livesport Open in Prague.
Those semis will be taking place from midday, and from 18:00 CET, we'll also have the Citi Open quarter-finals taking place on the other side of the Atlantic, with a clash between Emma Raducanu and Maria Sakkari first up in Washington DC before Daniil Medvedev and Elena Rybakina take to the court.
In the meantime, check out what happened yesterday and overnight in the American capital here.