Nico Rosberg was quickest in his Williams during both Friday practice sessions for the season opening Formula 1 Australian Grand Prix.
In the first session, Rosberg's lap time of 1.26.687 around the Albert Park circuit in Melbourne topped the charts ahead of Ferrari's betting favourite Kimi Raikkonen and team-mate Kazuki Nakajima.
The German clocked a quicker 1:26.053 time in the afternoon as Williams, Toyota and Brawn GP - the three teams at the centre of a protest over the design of their new cars on Thursday - dominated the day.
Reigning world champion Lewis Hamilton could only manage 16th and then 18th spot in his worryingly off-pace McLaren.
The Great Britain track cycling team is celebrating its first gold medal at the World Championships after the women's sprint team successfully defended their title.
Wendy Houvenaghel, Joanna Rowsell and Lizzie Armitstead beat New Zealand by 1.273 seconds in a time of 3 minutes 22.720 in the final.
Elsewhere in Poland, sprint duo Victoria Pendleton and Shanaze Reade had to settle for silver after an impressive Australia unit set a world record during their final.
Ross Edgar and Matt Crampton missed out on medals in the Keirin, while Mark Cavendish failed to secure a podium place after finishing seventh in the Scratch race.
New Zealand declared on 619-9 on day two of the second Test against India in Napier. Jesse Ryder (201) and Brendon McCullum (115) helped pile on the runs for the dominant Black Caps, before India finished the day on 79-3.
In golf, there was a surprise return to form for Colin Montgomerie after the European Ryder Cup captain ended the first day of the Andalucia Open in a tie for second place.
The veteran Scot is playing in his 500th European Tour event and his 67 was just one shot adrift of first round leader and compatriot Chris Doak.
In America, Tiger Woods is showing signs of returning to form following his injury lay-off after carding a first round 68 to finish three shots off the lead after his first round at the Arnold Palmer Invitational.
American Jason Gore leads after the first round at Bay Hill in Orlando on five under par.
Britain's tennis number one Andy Murray will face Juan Monaco in the second round of the Sony Ericsson Open on Saturday after the Argentina comfortably defeated Marc Gicquel 6-0 6-4 in Miami.