20:45 CET - The men will take the courts tomorrow in Madrid with the likes of Emil Ruusuvuori (24), Stan Wawrinka (38) and Alexander Bublik (25) all getting their campaigns underway.
Take a look at the full day's schedule on Flashscore.
To get you in the know for the Open, the ATP have produced a fantastic scouting report for the tournament. You can check that out here.
19:41 CET - Our FlashMoment of the day is an exquisite backhand lob from Jule Niemeier (23), which left Xinyu Wang (21) helpless at the net.
19:33 CET - And the final matches of the day in Madrid are done and dusted. Linda Fruhvirtova (17) defeated Katie Volynets (21) 6-3, 7-5, while Yulia Putintseva (28) eased past Claire Liu (22) 6-4, 6-4.
17:32 CET - Rebecca Marino (32) has beaten Lin Zhu (29) 7-6(1), 6-4 to advance to the second round in Madrid.
Maryna Zanevska (29) also won her first-round match to progress.
17:00 CET - After banning Russian and Belarusian players last year, Wimbledon decided to lift that ban for this year's competition.
However, in a new development on the matter, Wimbledon has announced that Russian and Belarusian competitors will need to sign a declaration in order to participate as neutrals.
Read more about that story here.
15:59 CET - In other news, Rafael Nadal's (36) uncle, Toni Nadal, is optimistic that his nephew will be fit to play in the French Open later in May.
Read more about that right here.
15:54 CET - Karolina Muchova (26) has made light work of Anett Kontaveit (27), cruising past her Estonian opponent 6-2, 6-2.
Elisabetta Cocciaretto (22) is also through to the second round.
14:00 CET - Sorana Cirstea (33) has started her Madrid Open campaign with a win by beating Lauren Davis (29) 6-3, 3-6, 6-1 in the first round.
Earlier, Jule Niemeier (23) and Ana Bogdan (30) also picked up wins.
You can see all the day's fixtures and results here.
12:58 CET - The day's play is underway at the Madrid Open. As mentioned, it's just the women's side of things today as the men's first round doesn't start until tomorrow.
Stay tuned to the Tennis Tracker for results, highlights and all the breaking tennis news throughout the day.
8:22 CET - The men's tournament begins tomorrow, and the big question is: Can anyone defeat Carlos Alcaraz (19)? Here are the top seeds looking to knock him off his perch.
8:13 CET - The Madrid Open gets underway on the women's side today, so why don't you take a look at the main draw and see what potential matchups could be heading your way?