No. 1-seed Medvedev beats American qualifier Opelka to win National Bank Open title
Russia's Daniil Medvedev has won the men's title at the National Bank Open in Toronto with a 6-4, 6-3 win over American qualifier Reilly Opelka.
The tournament's No. 1 seed, Medvedev saved 4-of-4 break points and won 73 per…