ATP - Toronto 2R start

Second round commenced in Toronto.

Including remaining first round matches.

2023 National Bank Open presented by Rogers, an ATP Masters 1000 tournament, on Hard Outdoor, Toronto, Canada, 7-13 August 2023.

2022 champion (not defending):

Pablo Carreno Busta who defeated Hubert Hurkacz (8) 3-6 6-3 6-3

Grigor Dimitrov withdrew after the main draw was published due to back pain, and was replaced by lucky loser Aleksandar Vukic.

First round results:

- Ben Shelton defeated Bernabe Zapata Miralles 7-6(1) 6-4

- Qualifier Marcos Giron defeated Emil Ruusuvuori 7-6(4) 7-6(6)

- Sebastian Korda defeated Tomas Martin Etcheverry 6-3 6-2

- Lucky loser Aleksandar Vukic defeated Borna Coric (14) 6-2 6-3

- Qualifier Max Purcell defeated Felix Auger-Aliassime (10) 6-4 6-4

- Andy Murray defeated Lorenzo Sonego 7-6(3) 6-0

- Mackenzie McDonald defeated Aslan Karatsev 6-3 6-4

- Alexander Zverev (13) defeated Tallon Griekspoor 6-4 7-6(3)

- Ugo Humbert defeated Nicolas Jarry 4-6 6-3 6-4

- Wildcard Gabriel Diallo defeated Daniel Evans 7-6(4) 7-5

- Alex de Minaur defeated Cameron Norrie (11) 7-5 6-4

Second round results:

- Casper Ruud (3) defeated Jiri Lehecka 7-6(6) 6-4