22:37 CET - In the final match of the day in Geneva, Marton Fucsovics has defeated Zizou Bergs 6-2, 6-3 to move into the second round. Fucsovics will next face Novak Djokovic on his return to the courts after skipping the Italian Open.
That's all from us today on the Tennis Tracker, but be sure to tune in again tomorrow as the action continues in Geneva, Hamburg, Rabat and Strasbourg.
21:01 CET - Play did get back underway in Geneva, and in the penultimate match there, Cameron Norrie has beaten Dominic Stricker 7-6, 6-3 to advance to the second round. Norrie will next face third seed Tomas Machac.
19:53 CET - The last match of the day in Hamburg has been won by 17-year-old Justin Engel, who has beaten compatriot and veteran Jan-Lennard Struff 7-6, 7-6.
The only scheduled matches today yet to be completed are the final two in Geneva, but with play suspended due to rain and the sun going down, they may be pushed back to tomorrow.
19:33 CET - Emma Raducanu picks up a great win! The Brit has beaten sixth seed Daria Kasatkina 6-1, 6-3 in Strasbourg and will face Collins in the next round. If she enjoys a strong week, she could end up seeded for the French Open.
18:51 CET - In the final match of the day in Morocco, second seed Camila Osorio has downed Elisabetta Cocciaretto 2-6, 6-3, 6-2.
Over in Switzerland, eighth seed Matteo Arnaldi has battled his way to a 6-7, 6-4, 6-4 victory over Hugo Gaston in a contest that lasted for two and a half hours.
18:07 CET - Danielle Collins has prevailed in an all-American clash in Strasbourg, beating Sofia Kenin 6-1, 1-6, 6-2, while Anna Kalinskaya has claimed a 6-2, 4-6, 6-3 win over Caroline Dolehide.
17:24 CET - Alexander Zverev has made it through on home turf with the world number three beating Aleksandar Kovacevic 6-1, 7-6 in just over 90 minutes in Hamburg.
At the same tournament, Jiri Lehecka has beaten Borna Gojo 4-6, 6-3, 6-2.
16:32 CET - The third seed in Rabat has been knocked out, with Lucia Bronzetti losing 6-2, 6-1 to Zeynep Sonmez of Turkey.
15:56 CET - A dramatic clash between two top-30 players in Strasbourg has been won by Beatriz Haddad Maia, who has edged past Clara Tauson with a 3-6, 6-4, 7-5 victory.
15:27 CET - Andrey Rublev has advanced in Hamburg courtesy of a 6-4, 6-3 victory over Damir Dzumhur, and Alexander Zverev is about to face Aleksandar Kovacevic.
15:16 CET - What a win for Kei Nishikori! The 35-year-old has come from behind to beat Learner Tien - who dazzled on his way to the last-16 at the Australian Open - 4-6, 6-4, 6-4.
15:11 CET - Xinyu Wang is through to the next round in Strasbourg after beating German number one Eva Lys 6-4, 7-5 in just under two hours.
In Rabat, fifth seed Viktoriya Tomova has been beaten 7-5, 4-6, 6-3 in a gruelling battle with Australia's Ajla Tomljanovic.
13:40 CET - Ann Li, the fourth seed in Rabat, has beaten Lucky Loser Maria Timofeeva 7-6, 6-2, while ninth seed Katie Volynets has won 6-3, 6-0 against Carolina Alves.
13:04 CET - In Geneva, Jacob Fearnley has won 6-4, 6-1 against Dusan Lajovic.
12:58 CET - The opening matches in Strasbourg have both gone the way of the higher-ranked played with Bouzkova beating Cornet 6-2, 6-1 and Ashlyn Krueger claiming a 6-4, 7-5 win over fellow American McCartney Kessler.
11:22 CET - We are underway in Strasbourg as Alize Cornet and Marie Bouzkova get the day started. Follow that game now, as both professional tours finish their road to Roland Garros.
09:45 CET - While waiting for today's action to begin, check out the first of a series of features we're doing that take a deeper dive into the world of tennis. In it, we speak to the father of a young player about the financial toll it takes for parents to support their childrens' careers.
08:20 CET - Hello and welcome to Flashscore's coverage of today's tennis!
The week of the French Open is here, but there's still plenty of action elsewhere before we turn our attention to Roland Garros, with tournaments underway in Geneva, Hamburg, Rabat and Strasbourg.
The biggest women's names can be found in Strasbourg, where Beatriz Haddad Maia will face Clara Tauson, Danielle Collins will take on Sofia Kenin, and Daria Kasatkina will go up against Emma Raducanu.
On the men's side, there's a clash of generations in Geneva with former world number four Kei Nishikori meeting teenage sensation Learner Tien, while Andrey Rublev and Alexander Zverev are in action in Hamburg.
Check out the Order of Play at each of the tournaments below: