Toseland led the championship earlier in the season

Toseland is two points ahead of Ducati Fila team-mate Regis Laconi.

Laconi finished sixth in the first race after a drive-through penalty but took victory second time out ahead of Toseland.

Toseland was also runner-up in the first race, behind Japan's Nori Haga on his Renegade Ducati.

Haga dominated the first race from the start but the drama unfolded behind as previous championship leader Laconi saw his chances of a win hit by a ride-through penalty.

Laconi dropped out of the top 15 before a dramatic ride through the pack back into the top 10.

But Laconi had the better of things in race two to close the gap on Toseland in the championship race.

Laconi had a large advantage over his team-mate at the chequered flag as Leon Haslam completed the podium.

Race one:
1 Noriyuki Haga (Jpn) Ducati 999 RS 41mins 49.906secs
2 James Toseland (Gbr) Ducati 999 F04 41:55.070
3 Pierfrancesco Chili (Ita) Ducati 998 RS 41:55.229
4 Troy Corser (Aus) Petronas FP1 42:02.930
5 Steve Martin (Aus) Ducati 999 RS 42:10.088

Race two:
1 Regis Laconi (Fra) Ducati 999 F04 41min 50.459secs
2 James Toseland (Gbr) Ducati 999 F04 42:12.008
3 Leon Haslam (Gbr) Ducati 999 RS 42:15.144
4 Garry McCoy (Aus) Ducati 999 RS 42:17.872
5 Gianluca Nannelli (Ita) Ducati 998 RS 42:21.080