Valentino Rossi wins the Czech GP on Brno circuit and due to the fall of Casey gain +25 points on the Aussie in the championship. The Italian have now 50 points on Stoner. Stoner was first but trying to gain more seconds on Rossi he committed and error at lap 7, leaving the victory to Rossi. Now the championship is really hard for Casey and his Ducati.

1 Valentino Rossi 43:28.841
2 Antonio Elias 43:43.845
3 Loris Capirossi 43:50.530
4 Shinya Nakano 43:54.700
5 Anthony West 43:58.306
6 Chris Vermeulen 43:59.449
7 Marco Melandri 44:05.294
8 Alex De Angelis 44:05.591
9 Andrea Dovizioso 44:07.663
10 Jorge Lorenzo 44:08.414
11 John Hopkins
12 Sylvain Guintoli
13 James Toseland
14 Colin Edwards
15 Daniel Pedrosa
16 Randy De Puniet