Meanwhile, defending champion Marin Cilic will play Swiss third seed Stanislas Wawrinka in the final of the Chennai Open in India on Sunday.

CNN: Davydenko upsets Nadal in Qatar final

However, world No. 8 Robin Soderling was knocked out in the first round of the Chennai Open in India, where he was top seed.

CNN: Federer and Nadal cruise as nemesis Soderling crashes out

Federer and Nadal will next head to Doha for the opening tournament of the ATP Tour schedule, while world No. 8 Soderling will be top seed for the Chennai Open in India.

CNN: Nadal begins 2010 with Abu Dhabi title

The world No. 8, handed a wildcard entry and seeded third in the absence of injured world No. 2 Rafael Nadal, bounced back after suffering first-round defeats at the Australian Open and Chennai Open.

CNN: Soderling survives scare in Rotterdam