23:23 CET - Is there room for one more shock today in Spain?
The day's final match sees world number nine Maria Sakkari (27) taking on Rebeka Masarova (23).
23:17 CET - Mayar Sherif (26) has sensationally upset world number five Caroline Garcia (29) at the Madrid Open. The Egyptian beat the French star 7-6(2), 6-3.
22:30 CET - Stefanos Tsitsipas (24) has come back to beat Dominic Thiem (29) 3-6, 6-1, 7-6(5) at the Madrid Open in the last men's match of the day.
21:56 CET - Dominic Thiem (29) and Stefanos Tsitsipas (24) are currently playing in the last men's match at the Madrid Open of the day.
Wrapping up some of the day's other winners on the men's side, Zhizhen Zhang (26), Cameron Norrie (27), Pedro Cachin (28) and Cristian Garin (26) have all progressed.
21:45 CET - Our men's Flash Moment of the day comes courtesy of Dusan Lajovic (32). He made the headlines by beating seventh seed Felix Auger-Aliassime (22) and his victory included some truly sublime tennis.
21:41 CET - Our WTA Flash Moment of the day comes from the match between Aryna Sabalenka (24) and Camila Osorio (21). Sabalenka won 6-4, 7-5 but not before Ororio played a delicious drop shot.
18:41 CET - Gauff may be out, but Americans are at least doing well on the men's side with Taylor Fritz (25) winning 7-6, 6-4 against Chris O'Connell (28) and Frances Tiafoe (25) beating Tomas Martin Etcheverry (23) 6-3, 7-6.
17:35 CET - World number six Coco Gauff (19) has been bundled out of the Madrid Open by Paula Badosa (25). The Spaniard made light work of the young American, winning 6-3, 6-0.
16:07 CET - Dusan Lajovic (32) is in the form of his life at the moment. After beating Novak Djokovic on his way to the Banja Luka title, he's now knocked out seventh seed Felix Auger-Aliassime (22) in Madrid, winning 6-2, 3-6, 7-6.
The Canadian isn't the only seed to be beaten in the last few hours, with Munich finalist Botic van de Zandschulp (27) losing to Aslan Karatsev (29).
15:10 CET - It wasn't a walk in the park, but second seed Aryna Sabalenka (24) is through to the next round; she beat Camila Osorio (21) 6-4, 7-5.
14:37 CET - Liudmila Samsonova (24) has beaten former French Open champion Jelena Ostapenko (25) to advance to the fourth round in Madrid. The match was a relative breeze for the Russian, finishing 6-2, 6-0.
12:50 CET - Daniil Medvedev (27) has beaten Andrea Vavassori (27) - the qualifier who knocked out Andy Murray - without too much trouble, prevailing 6-4, 6-3 in just under 90 minutes.
07:45 CET - There has actually already been some tennis played in the Spanish capital today with a three-and-a-half-hour epic between Roberto Carballes Baena (30) and Alexander Zverev (26) finishing well past midnight.
The German ultimately prevailed 6-7, 7-5, 6-0.
07:20 CET - Welcome to the first Saturday of the Madrid Open, which will see top players face off against one another across the board.
Stefanos Tsitsipas (24) will take on Dominic Thiem (29), Coco Gauff (19) will face Paula Badosa (25), and both the ATP and WTA second seeds are in action with Daniil Medvedev (27) playing Andrea Vavassori (27) and Aryna Sabalenka (24) playing Camila Osorio (21).
