Rafael Nadal reached the final of the Rogers Cup without playing a shot after Gael Monfils withdrew from their semi-final with an ankle injury.
Monfils had been hoping to face Spain’s world number two some five hours after completing a rain-delayed quarter-final against Roberto Bautista Agut.
But the Frenchman hurt his ankle in that 6-4 3-6 7-6 (7-2) win and had to withdraw from the Montreal tournament.
Nadal will plays Russia’s Daniil Medvedev in Sunday’s final.
Sixth seed Medvedev beat compatriot Karen Khachanov 6-1 7-6 (8-6).
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