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Duncan Chan (born 29 July 2005) is a Canadian tennis player. Chan has a career high ATP singles ranking of No. 486 achieved on 10 August 2026 and a career high ATP doubles ranking of No. 250 achieved on 21 September 2026.[1]
In February 2026, Chan was given a doubles wildcard at the Dallas Open, partnering with Cosme Rolland de Ravel.[4] They lost in the first round. He made his ATP main draw singles debut at the 2026 National Bank Open after qualifying for the main draw.