Duncan Chan| Country (sports) | .svg.png) Canada |
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| Born | (2005-07-29) 29 July 2005
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| Height | 1.83 m (6 ft 0 in) |
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| Plays | Right-handed (two-handed backhand) |
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| College | TCU |
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| Prize money | US $94,075 |
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| Career record | 0–1 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
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| Highest ranking | No. 486 (10 August 2026) |
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| Current ranking | No. 488 (24 August 2026) |
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| Career record | 2–2 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
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| Career titles | 2 ITF |
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| Highest ranking | No. 253 (24 August 2026) |
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| Current ranking | No. 253 (24 August 2026) |
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| Last updated on: 25 August 2026. |
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. 253 achieved on 24 August 2026.[1]
Chan has made it to an ATP Challenger singles final at the 2025 Challenger Banque Nationale de Drummondville, where he lost to Daniil Glinka.[2]
Chan plays college tennis at TCU.[3]
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.
ATP Challenger Tour finals
Singles: 1 (1 runner-up)
| Legend |
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| ATP Challenger Tour (0–1) |
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| Titles by surface |
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| Hard (0–1) |
| Clay (0–0) |
| Grass (0–0) |
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Doubles: 1 (1 runner-up)
| Legend |
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| ATP Challenger (0–1) |
| ITF Futures (0–0) |
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| Finals by surface |
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| Hard (0–1) |
| Clay (0–0) |
| Grass (0–0) |
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Daniil Glinka
Alexander Donski 
Ajeet Rai
