Watch Race Of Champions 2015 live from London on Autosport.com

All of the action from London's former Olympic Stadium will be streamed here on Friday evening and Saturday.

Friday evening's Nations Cup, starting at 19:30 GMT, features match-ups between former Red Bull F1 team-mates Sebastian Vettel and Daniel Ricciardo, and McLaren's Jenson Button against reigning ROC champion David Coulthard.

From 15:00 GMT on Saturday, drivers will be back in honour of individual glory, with Button taking on Williams F1 driver Felipe Massa and Ricciardo meeting Force India's Nico Hulkenberg in the quarter finals.

Among the other match-ups, Vettel takes on World Rallycross champion Petter Solberg, while nine-time Le Mans winner Tom Kristensen meets Formula E champion Nelson Piquet Jr.

NATIONS CUP, 19:30-22:30 GMT ON FRIDAY

Round 1
Team All Stars v Team Young Stars (Match A)
Romain Grosjean v Pascal Wehrlein
Chris Hoy v Jolyon Palmer

Team England 1 v Team Brazil (Match B)
Andy Priaulx v Nelson Piquet Jr
Jason Plato v Felipe Massa

Quarter-finals
Team Nordic v Team Americas (Match A)
Tom Kristensen v Jose Maria Lopez
Petter Solberg v Ryan Hunter-Reay

Team Australia v Team Germany
Daniel Ricciardo v Sebastian Vettel
Mick Doohan v Nico Hulkenberg

Team England 2 v Team Scotland
Alex Buncombe v Susie Wolff
Jenson Button v David Coulthard

Winner Match A v Winner Match B
Grosjean/Wehrlein v Priaulx/Piquet Jr
Hoy/Palmer v Plato/Massa

RACE OF CHAMPIONS, 15:00-18:00 GMT ON SATURDAY

Round 1
Jose Maria Lopez v Ryan Hunter-Reay (Match A)
Pascal Wehrlein v Andy Priaulx (Match B)
Mick Doohan v Chris Hoy (Match C)
Alex Buncombe v Jolyon Palmer (Match D)

Quarter-finals
Sebastian Vettel v Petter Solberg
Daniel Ricciardo v Nico Hulkenberg
Jenson Button v Felipe Massa
David Coulthard v Susie Wolff
Tom Kristensen v Nelson Piquet Jr
Romain Grosjean v Jason Plato
Winner Match A (Lopez/Hunter-Reay) v Winner Match B (Wehrlein/Priaulx)
Winner Match B (Doohan/Hoy) v Winner Match D (Buncombe/Palmer)