Canada's Felix Auger-Aliassime returns the ball to Canada's Gabriel Diallo during their first round match at the Swiss Indoors tennis tournament at the St. Jakobshalle in Basel, Switzerland, Wednesday, Oct. 22, 2025. (Georgios Kefalas/Keystone via AP)

By The Canadian Press

Auger-Aliassime beats Diallo in all-Canadian match at Swiss Indoors

Oct 22, 2025 | 10:15 AM

BASEL — Felix Auger-Aliassime beat fellow Canadian Gabriel Diallo 6-2, 7-5 Wednesday in an all-Montreal matchup at the Swiss Indoors.

The fifth seed fired eight aces and broke Diallo four times to advance.

Diallo matched Auger-Aliassime with eight aces, but won just 35 per cent of his second-serve points.

Auger-Aliassime, a two-time champion at Basel in 2022 and 2023, moves on to face Croatian qualifier Marin Cilic in the round of 16 at the ATP 500 event.

He joins Denis Shapovalov of Richmond Hill, Ont., after his countryman advanced Tuesday with a three-set win over American Marcos Giron.

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Shapovalov will next face France’s Valentin Royer, a lucky loser he beat at the U.S. Open earlier this year.

This report by The Canadian Press was first published Oct. 22, 2025.

The Canadian Press