The eighth-ranked Briton defeated Andreas Seppi from Italy to win the title, his second ATP Tour win.
Edmund won the first set courtesy of a tie-break, but Edmund held his nerve to edge it 7-5.
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The second set was far easier when he demolished his opponent 6-1 in comprehensive fashion.
Three break points for Edmund and a near-faultless win percentage on his first serve, with 11 aces, demonstrated his superiority.
It is Edmund's first ATP Tour title since October 2018.
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