Stoner took pole posistion for the Catalunya GP. Rossi was poor finishing only 9th.
Dani Pedrosa finished behind Stoner in second, with 2006 world champion Nicky Hayden claiming a surprise third place.
Catalunya MotoGP qualifying result:
1 C Stoner (Aus) Ducati 1:41.186secs
2 D Pedrosa (Spn) Honda 1:41.269
3 N Hayden (US) Honda 1:41.437
4 R de Puniet (Fr) Honda 1:41.571
5 C Edwards (US) Yamaha 1:41.609
6 J Toseland (GB) Yamaha 1:41.820
7 A Dovizioso (Ita) Honda 1:42.053
8 C Vermeulen (Aus) Suzuki 1:42.365
9 V Rossi (Ita) Yamaha 1:42.427
10 A de Angelis (SM) Honda 1:42.580