Hamilton tops both Friday practice sessions in Korea
Lewis Hamilton set fast time in both Friday practice session for the Korean Grand Prix Friday.
Sebastian Vettel was 0.108 seconds behind Hamilton in second place.
He denied Mercedes a one-two, with Vettel edging Nico Rosberg by 0.016s.
Mark Webber was fourth, within 0.063s of its sister car.
Felipe Massa finished two places ahead of teammate Fernando Alonso.
Results
| Pos | Driver | Team | Time | Behind | Laps |
| 1 | Lewis Hamilton | Mercedes | 1m38.673s | +0.000s | 31 |
| 2 | Sebastian Vettel | Red Bull-Renault | 1m38.781s | +0.108s | 30 |
| 3 | Nico Rosberg | Mercedes | 1m38.797s | +0.124s | 32 |
| 4 | Mark Webber | Red Bull-Renault | 1m38.844s | +0.171s | 35 |
| 5 | Felipe Massa | Ferrari | 1m39.114s | +0.441s | 30 |
| 6 | Romain Grosjean | Lotus-Renault | 1m39.226s | +0.553s | 34 |
| 7 | Fernando Alonso | Ferrari | 1m39.444s | +0.771s | 31 |
| 8 | Kimi Raikkonen | Lotus-Renault | 1m39.757s | +1.084s | 33 |
| 9 | Jenson Button | McLaren-Mercedes | 1m39.774s | +1.101s | 29 |
| 10 | Adrian Sutil | Force India-Mercedes | 1m40.006s | +1.333s | 34 |
| 11 | Paul di Resta | Force India-Mercedes | 1m40.007s | +1.334s | 34 |
| 12 | Sergio Perez | McLaren-Mercedes | 1m40.152s | +1.479s | 31 |
| 13 | Esteban Gutierrez | Sauber-Ferrari | 1m40.186s | +1.513s | 33 |
| 14 | Nico Hulkenberg | Sauber-Ferrari | 1m40.210s | +1.537s | 34 |
| 15 | Jean-Eric Vergne | Toro Rosso-Ferrari | 1m40.446s | +1.773s | 30 |
| 16 | Daniel Ricciardo | Toro Rosso-Ferrari | 1m40.552s | +1.879s | 26 |
| 17 | Pastor Maldonado | Williams-Renault | 1m41.117s | +2.444s | 35 |
| 18 | Valtteri Bottas | Williams-Renault | 1m41.289s | +2.616s | 34 |
| 19 | Giedo van der Garde | Caterham-Renault | 1m42.461s | +3.788s | 36 |
| 20 | Charles Pic | Caterham-Renault | 1m42.798s | +4.125s | 35 |
| 21 | Jules Bianchi | Marussia-Cosworth | 1m43.108s | +4.435s | 31 |
| 22 | Max Chilton | Marussia-Cosworth | 1m43.441s | +4.768s | 29 |