|2011 Mubadala World Tennis Championship (January)
||December 30, 2010 – January 1, 2011
| Rafael Nadal
The 2011 Mubadala World Tennis Championship was a non-ATP affiliated exhibition tournament. World's top players were competing in the knock-out event, which has prize money of $250,000 to the winner. The event was held at the Abu Dhabi International Tennis Complex at the Zayed Sports City in Abu Dhabi, United Arab Emirates. It was a warm-up event for the season, with the ATP World Tour beginning on January 4, 2011.
- Rafael Nadal ATP No. 1
- Roger Federer ATP No. 2
- Robin Söderling ATP No. 5
- Tomáš Berdych ATP No. 6
- Jo-Wilfried Tsonga ATP No. 13
- Marcos Baghdatis ATP No. 20
Rafael Nadal def. Roger Federer, 7–6(7–4), 7–6(7–3)
- It was Nadal's 2nd win at the event, also winning in 2010. It made him the most successful player at the event, with two titles.