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Felix Auger Aliassime and Denis Shapovalov helped Canada make a winning start to its Davis Cup Finals group-stage campaign, overcoming Argentina in Manchester.

Former Wimbledon semi-finalist Shapovalov got Canada off to a flier in the opening singles match of the Group D encounter, beating Francisco Cerundolo 7-5 6-3 in one hour and 37 minutes.

Cerundolo committed 51 unforced errors in a disjointed display, giving up back-to-back breaks early in the second set as the match slipped away from him after a competitive opener.

Not to be outdone, Auger Aliassime followed up Shapovalov's victory by beating Sebastian Baez 6-3 6-3, keeping his opponent under fierce pressure throughout and converting seven of the 12 break points he forced.

Doubles specialists Maximo Gonzalez and Andres Molteni then beat Shapovalov and Vasek Pospisil in three sets, but that was not enough to deny Canada victory.

Great Britain and Finland are the other two teams in Group D, with Jack Draper leading the host's bid to reach the knockout stages in Malaga later this year.