Draper, who picked up an arm injury after Wimbledon, will also miss Cincinnati.
There has been talk that the ATP’s committment to making Masters 1000 two-week events has dampened the enthusiasm of some of the tour’s top players to play both. What formerly required a two-week commitment now requires over three weeks.
Home players should enjoy strong support in Toronto, however.
Three Canadians are ranked inside the ATP’s Top 40 and earned direct entry into the main draw.
Montreal’s Félix Auger-Aliassime, currently representing Canada in Hopman Cup, will be making his eighth appearance at the NBO. The 28th-ranked Auger-Aliassime reached the 2022 quarterfinals.
No. 30 Denis Shapovalov, who won his second title of 2025 in Los Cabos last night, will also make his eighth appearance at the event. Shapovalov famously upset Rafael Nadal en route to the 2017 semifinals.
Big serving Montreal native Gabriel Diallo will play the Canadian Masters for the fourth time.
“Canada, I can’t wait to be back at home and playing in front of all of you at this year’s National Bank Open presented by Rogers,” said Félix Auger-Aliassime. “The atmosphere and fans in Toronto are always amazing, and it’s not something I take for granted.
“I’m going to give it everything I’ve got, and I hope that we can go on a deep run together!”