06:10 CET - Maria Sakkari defeats Canadian Carson Branstine on her home court 6-2, 3-6, 7-5.
The win marks Sakkari's first in Montreal since 2021.
05:30 CET - Canadian Alexis Galarneau puts on a show for the home crowd, stunning Arthur Rinderknech in straight sets 7-6, 6-3.
05:00 CET - Antonia Ruzic defeats Anastasia Potapova after a flawless third set 2-6, 7-5, 6-0.
03:35 CET - Pablo Carreno-Busta played spoiler for Canada's own Liam Draxl, taking down the Newmarket native 2-6, 6-4, 6-4.
The former champ's hopes stay alive!
03:30 CET - Canada's own Eugenie Bouchard wins on her home court after taking down Emiliana Arango 6-4, 2-6, 6-2.
It's Bouchard's first win in the Montreal Open since 2016 and her first tour-level win since 2023.
03:15 CET - Fabian Marozsan makes quick work of Hugo Dellien, defeating him 6-2, 6-2 in 64 minutes.
Heading into the match, Marozsan had won just over 75% of service games on hardcourts - he won 88% against Dellien.
02:50 CET - Anastasija Sevastova defeats Ajla Tomljanovic 6-3, 3-6, 6-4 after the latter committed 13 double faults in the match.
02:00 CET - Matteo Gigante battles it out to the very end against Borna Coric, ultimately earning the win 4-6, 6-4, 7-6.
The Italian will go on to face Gabriel Diallo in the next round.
01:30 CET - Lucia Bronzetti battles back after losing the first set to defeat Elizabeth Mandlik 4-6, 7-6, 6-2.
Bronzetti took a medical timeout during the first set to address back problems, but fought on and will now face Clara Tauson in the next round.
00:55 CET - Renata Zarazua defeats Katie Boulter in straight sets 6-1, 7-5.
The win marks Zarazua's fourth win against a top-50 player. She will take on Jeļena Ostapenko in the next round.
00:40 CET - Roberto Carballes Baena advances with a 6-4, 4-1 win after Camilo Ugo Carabelli retired in the second set due to a forearm injury.
Carabelli was attended to when down 1-2 in the second set then played on until the pain was too much for the Argentinian.
22:58 CET - Naomi Osaka has just completed her first match in Montreal since 2018, and it was a happy return for the four-time Grand Slam champion, with her beating Canadian qualifier Ariana Arseneault 6-4, 6-2.
Marie Bouzkova is also through, while French veteran Adrian Mannarino has beaten Marcos Giron 6-4, 6-4 on the men's side of the draw.
21:46 CET - Joao Fonseca has fallen at the first hurdle! The young star has been beaten 7-6, 6-4 by Australian qualifier Tristan Schoolkate.
21:24 CET - Wimbledon quarter-finalist Laura Siegemund has won a brutal battle with fellow German Tatjana Maria, prevailing 7-5, 6-7, 7-6 after three and a half hours!
21:12 CET - Emma Raducanu is through, with the Brit beating Elena Gabriela Ruse of Belgium 6-2, 6-4 in just over an hour and a half. The former US Open champion is playing really well at the moment.
20:45 CET - Anna Blinkova has advanced with a 6-4, 6-1 win over American player Caroline Dolehide.
19:57 CET - Jaume Munar has eased into the next round in Toronto, with the Spaniard sweeping aside Dan Martin in straight sets, 6-3, 6-0.
19:09 CET - Qualifier Kamilla Rakhimova is through in Montreal after coming from behind to win 4-6, 6-3, 6-2 over Kayla Cross.
Over in Toronto, Ethan Quinn and Yunchaokete Bu have progressed courtesy of straight-set victories.
18:34 CET - Over to Montreal, where we have had a bit of an upset, with Chinese qualifier Hanyu Guo taking out world number 46 Yulia Putintseva 6-3, 6-3.
Meanwhile, Belgian veteran David Goffin is out of the tournament in Toronto following a 6-4, 6-4 defeat to American Mackenzie McDonald.
18:30 CET - Our first result in from today's play as Christopher O'Connell has dispatched lucky loser Chun Hsin Tseng 6-1, 6-2 in just 77 minutes.
15:55 CET - Play is about to get underway in both Toronto and Montreal, with veteran German duo Tatjana Maria and Laura Siegemund set to do battle from 16:10 CET.
Follow their clash right here.
13:50 CET - We're just over three hours away from play getting started in Toronto and Montreal, as Emma Raducanu, Naomi Osaka and Joao Fonseca all begin their campaigns this evening.
Check out the schedule for the men's tournament in Canada here and the full women's draw here.
13:05 CET - Good afternoon and welcome to our coverage of today's tennis at the prestigious Canadian Open!