07:14 CET - Elena Rybakina is the final winner of the day in Cincinnati, with the ninth seed coming from behind to outlast Elise Mertens in three sets, 4-6, 6-3, 7-5.
05:30 CET - Adrian Mannarino finishes the job and defeats the world No. 16 Tommy Paul 5-7, 6-3, 6-4 to advance. He is now the sixth-oldest (37) male tennis player to reach the Round of 16 in Cincinnati!
03:55 CET - After a back-and-forth battle in the second set, Jannik Sinner defeats Gabriel Diallo 6-2, 7-6. This is now Sinner's ninth straight win and his seventh at Cincinnati.
03:15 CET - Terence Atmane upsets the Brazilian Joao Fonseca in straight sets 6-3, 6-4 to advance to his first-ever Masters Round 4!
02:50 CET - Madison Keys makes quick work of Aoi Ito 6-4, 6-0 in just 63 minutes.
01:35 CET - Benjamin Bonzi takes down Stefanos Tsitsipas 6-7, 6-3, 6-4. This is now Bonzi's fifth win against a top-30 opponent this year.
01:30 CET - After a delay, Taylor Fritz defeats Lorenzo Sonego in straight sets 7-6, 7-5.
00:50 CET - The matchup between Benjamin Bonzi and Stefanos Tsitsipas has resumed play.
00:40 CET - The matchup between Taylor Fritz and Lorenzo Sonego has resumed play.
23:53 CET - Play has been suspended in Cincinnati due to an issue with a power generator. At the time of the suspension, Stefanos Tsitsipas led Benjamin Bonzi 7-6, 2-5 while Taylor Fritz was 7-6 up on Lorenzo Sonego.
It's unclear when the action will resume.
23:17 CET - The fifth seed is out, with Amanda Anisimova losing 7-5, 6-4 to world number 34 Anna Kalinskaya. Exiting the tournament this early will be a huge disappointment for the Wimbledon finalist.
22:21 CET - In another tight three-set clash, Sorana Cirstea has claimed a 6-7, 6-4, 6-4 victory over Yue Yuan.
22:15 CET - World number one Aryna Sabalenka has come through a huge test against Emma Raducanu, beating the Brit 7-6, 4-6, 7-6 after over three hours of play.
Raducanu will be delighted with that performance; she's heading into the US Open arguably playing her best tennis since she won the Grand Slam in 2021.
20:37 CET - 10th seed Frances Tiafoe has moved into the last 16 on home turf, with the American beating Ugo Humbert 6-4, 6-4.
19:23 CET - Felix Auger-Aliassime is the latest player to progress in Cincinnati after his opponent Arthur Rinderknech was forced to retire with an injury, while trailing 7-6(4), 4-2.
18:46 CET - Seventh seed Holger Rune is through in Cincinnati after the Dane edged a tight opening set to defeat Alex Michelsen 7-6(4), 6-3.
Meanwhile, on the women's side of the draw, Jessica Bouzas Maneiro has progressed courtesy of an impressive 6-4, 6-1 victory over Taylor Townsend.
18:27 CET - Ekaterina Alexandrova is safely through to the fourth round, with the 12th seed proving too strong for Australian teenager Maya Joint. The Russian triumphed 6-4, 6-3 in 79 minutes.
17:02 CET - We're just about to get started for the day in Cincinnati, with Holger Rune, Felix Auger-Aliassime and Ekaterina Alexandrova first up on court.
Follow all the men's matches here and all the women's action here.
14:00 CET - Good afternoon and welcome to our coverage of today's tennis at the Cincinnati Open!
Play gets underway in just over three hours' time, with seventh seed Holger Rune facing home favourite Alex Michelsen and Ekaterina Alexandrova coming up against Australian teenager Maya Joint.
Later on, women's top seed Aryna Sabalenka takes on Emma Raducanu in a mouthwatering third-round clash, before Jannik Sinner, Taylor Fritz and Elena Rybakina also continue their campaigns.
Check out the full men's schedule here and the full women's draw here.