|Roger Federer defeated Gilles Simon to win his 81st title and first in Shanghai|
He currently trails Djokovic in the Race to London Rankings by 490 points, and after Bercy, the Race Rankings become the 52-week rankings, meaning Federer has a chance to become the world No. 1 by the end of the week.
Djokovic is the top seed in Paris with Federer as the No. 2 seed.
-If Djokovic reaches the final in Paris, he will clinch the top seed in London, but Federer controls the rankings if Djokovic does any worse.
-If Djokovic loses in the quarterfinals or semifinals, Federer can become the world No. 1 with what would be his second career title in Paris.