Germany's two-time defending Formula One world champion Sebastian Vettel posted the fastest time in the morning test runs here on Wednesday. The 24-year-old Red Bull driver clocked a fastest lap time of 1min 23.056sec in his 20-lap spell on the circuit. Testing continues here until Friday and there will be a final series of testing back here on March 1-4, before the teams travel to Australia for the opening race of the season in Melbourne on March 18. 1. Sebastian Vettel (GER/Red Bull-Renault) 1:23.056 20 2. Sergio Pérez (MEX/Sauber-Ferrari) 1:23.062 42 3. Nico Hülkenberg (GER/Force India-Mercedes) 1:23.141 52 4. Fernando Alonso (ESP/Ferrari) 1:23.640 32 5. Daniel Ricciardo (AUS/Toro Rosso-Ferrari) 1:23.986 32 6. Lewis Hamilton (GBR/McLaren-Mercedes) 1:24.040 37 7. Nico Rosberg (GER/Mercedes-AMG) 1:24.555 53 8. Valtteri Bottas (FIN/Williams-Renault) 1:25.858 54 9. Vitaly Petrov (RUS/Caterham-Renault) 1:26.605 19 10. Charles Pic (FRA/Marussia-Cosworth) 1:28.092 35