The Champions event takes place in China from 4-7 November while the Dubai World Championship starting on 25 November ends the 2010 season.

BBC: Lee Westwood focused on strong end to the season

If Westwood does not compete in Shanghai, he said his next tournament could be the season-ending Dubai World Championship, which begins on 25 November.

BBC: Kaymer could beat Westwood to world number one spot

Kaymer is currently 290, 000 euros ahead of second-placed Graeme McDowell in the Race to Dubai, ahead of the final tournament of the season, the Dubai World Championship, which starts on Thursday.

BBC: Martin Kaymer opts for European Tour over USPGA Tour