23:45 CET - That's all from us today on the Tennis Tracker but tune in again tomorrow to catch up on the results from Dallas - all the top three seeds are playing overnight.
You can follow the action in Dallas live here.
23:12 CET - Moving back to Dallas where fourth seed Ben Shelton (22) has been knocked out by Jaume Munar (27). The Spaniard defeated the home hope 6-2, 7-6 to advance to the quarter-finals.
Earlier, Frances Tiafoe (27) and Alejandro Davidovich Fokina (25) were also dumped out.
22:38 CET - In the day's last match in Rotterdam, fifth-seeded Dane Holger Rune (21) has been dumped out by Spain's Pedro Martinez (27), who crushed the favourite 6-4, 6-1.
Martinez has earned himself a quarter-final meeting with compatriot, and top seed, Carlos Alcaraz (21) with the win.
21:16 CET - In the first match of the day in Dallas, American fifth seed Frances Tiafoe (27) has been upset by Yoshihito Nishioka (29) of Japan, who came back to win 3-6, 6-4, 6-3. Nishioka is the first man through to the quarter-finals at the tournament in Texas.
20:50 CET - Top seed Carlos Alcaraz (21) has breezed past Italian Andrea Vavassori (29) 6-2, 6-1 to move into the final eight in Rotterdam.
The Spaniard will next face the winner of Holger Rune (21) and Pedro Martinez (27), who meet in the day's final match.
Read more about Alcaraz's win here.
20:05 CET - In the last match of the day in Cluj, home hope Ana Bogdan (32) lost 6-3, 6-0 to Italy's Elisabetta Cocciaretto (24). Bogdan's loss means there are no Romanians left as the tournament heads into the quarter-finals tomorrow.
Catch up on the results from Cluj and see tomorrow's schedule here.
19:30 CET - The third seed has been knocked out in Cluj with Peyton Stearns (23) losing 6-2, 7-6 to Lucia Bronzetti (26).
19:04 CET - Next up in Rotterdam is Carlos Alcaraz (21), who is taking on unseeded Italian Andrea Vavassori (29) in just under 30 minutes.
18:44 CET - In the final match of the day in Abu Dhabi, Linda Noskova (20) has beaten Magda Linette (32) 6-4, 6-3 to book the last semi-final berth. Noskova will next face fellow rising star Ashlyn Krueger (20) for a spot in the decider.
18:20 CET - Tallon Griekspoor (28) has been eliminated from the ABN AMRO Open in Rotterdam after Stefanos Tsitsipas (26) beat the home hope after three long sets, 6-7, 7-6, 6-4.
Sixth seed Tsitispas will next face Mattia Bellucci (23) in the quarter-finals.
Read all about Tstitsipas' win here.
17:12 CET - Elena Rybakina (25) has come through a tough test in Abu Dhabi, edging an hour-long final set to beat Ons Jabeur (30) 6-2, 4-6, 7-6.
15:00 CET - Moving back to Rotterdam, seventh seed Arthur Fils (20) has fallen out after losing to Daniel Altmaier (26) 6-4, 3-6, 7-5. The German will next face Alex De Minaur (25) in the quarter-finals.
Meanwhile, fourth seed Andrey Rublev (27) has overcome Fabian Marozsan (25) 7-6, 7-6 to set up a quarter-final with Hubert Hurkacz (27).
14:47 CET - Young talent Ashlyn Krueger (20) is having quite a week, with the American beating eighth seed Leylah Fernandez (22) 7-5, 4-6, 6-2 to move into the Abu Dhabi semi-finals.
14:24 CET - Top seed Anastasia Potapova (23) is through to the quarter-finals in Cluj after beating Viktorija Golubic (32) 6-4, 7-5 in their second-round meeting.
12:46 CET - Third seed Alex De Minaur (25) has claimed an impressive win in Rotterdam, beating young talent Jakub Mensik (19) 6-4, 6-4.
12:38 CET - Katerina Siniakova (29) has won the opening clash of the day in Cluj with the fifth seed beating Caroline Dolehide (26) 2-6, 6-1, 6-4.
12:00 CET - The first match of the day in Abu Dhabi has been won by Belinda Bencic (27), who has moved into the semi-finals with a 7-5, 6-3 victory over Marketa Vondrousova (25).
09:26 CET - We've got a big day ahead of us in Rotterdam and Abu Dhabi especially, with the following matches among those on the agenda:
Jakub Mensik vs Alex De Minaur - 11:00 CET
Elena Rybakina vs Ons Jabuer - 14:00 CET
Stefanos Tsitsipas vs Tallon Griekspoor - 14:30 CET
Carlos Alcaraz vs Andrea Vavassorri - 19:30 CET
With action to come in Dallas and Cluj too, there'll be plenty of action for you to sink your teeth into!
08:08 CET - Hello and welcome to Flashscore's coverage of today's tennis!
We already have news to bring you with Taylor Fritz (27) cruising through in Dallas with a 6-4, 6-2 win over Arthur Rinderknech (29) before Denis Shapovalov (25) beat Miomir Kecmanovic (25) 6-3, 6-7, 6-3.
Catch up on the results from the Lone Star State here.