Coppack first played competitive snooker in 2001, entering several Challenge Tour events and qualifying for the 2002 World Championship.

Coppack's first match as a professional was a 5–3 victory over James McBain in the Shanghai Masters, but he lost 1–5 in the next round to Judd Trump.

At the 2008 World Championship, Coppack defeated Kurt Maflin 10–9 and Paul Davies 10–8 to record his first run to the last 64 at a ranking event.

Coppack was ranked 83rd at the end of the season, which was not sufficient for him to retain his place on the tour, and he was relegated immediately thereafter.

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