Last updated: 30th September 2007
Roger Federer has pulled out of this week's Japan Open in Tokyo citing fatigue.
The world number one has been on the go for several weeks, with appearances in the Montreal and Cincinnati Masters before the US Open and Davis Cup.
Organizers said doctors had advised the Swiss star to rest for at least 10 days before returning to competitive action.
Spaniard David Ferrer will now become top seed ahead of Thomas Berdych of the Czech Republic and Frenchman Richard Gasquet.
In the women's event Venus Williams, fresh from her victory in Seoul on Sunday, heads the line-up with India's Sania Mirza and Maria Kirilenko seeded second and third.
Mark Petchey sees plain Argentina fall to Davis Cup final defeat as Fernando Verdasco proves the main man.
Read what Sky Sports' experts and bloggers have been talking about over the last seven days in sport...
Mark Petchey says Feliciano Lopez could hold the key to Spanish Davis Cup glory in this week's final.