Parry reached the final of the 1999 WDF World Cup Men's Singles event, beating Marko Kantele in the last 16, Andy Fordham in the quarter-finals and fellow New Zealander Herbie Nathan in the semis before losing to Raymond van Barneveld 4–1.

[5] Parry reached the final of the 2006 WDF Asia-Pacific Cup, but lost 4–3 to Amin Abdul Ghani and beat Neville Moss 5–3 to claim the 2007 New Zealand Masters.

[6][7] Also in 2007, Parry claimed his second Oceanic Masters title and made his second appearance in the PDC World Championship in 2008 which moved from the Circus Tavern to the larger Alexandra Palace.

[17] Parry played with Rob Szabo in the 2015 World Cup and they secured New Zealand's first win in the event since 2010 by knocking out Canada 5–4.

[21] In 2016, Parry secured the South Island Masters title by beating Graeme Ryder in the final.

[22] Parry and new partner Cody Harris moved 3–1 up on Scotland in the first round of the World Cup, but they lost 5–3.

[25] Parry won the New Zealand Qualifier for the 2017 World Championship with a 7–3 success over Rob Szabo in the final.