Serena says she'll be beaten someday

World No 1 Serena Williams denied there is a widening gulf between her and the other leading players after she claimed her tenth title of the year at the China Open on Sunday.

The power-hitting American has had another season of domination, being confirmed as the top ranked year-end player last month, when she also become the first woman to win more than $9 million in a season.

The top seed eased to her second title in Beijing with a convincing 6-2, 6-2 demolition of Serbia's Jelena Jankovic.