The 15th Qatar Open was a tennis tournament that took place from January 1st to 7th, 2007 in Doha , Qatar . The tournament was won by second seeded Ivan Ljubičić , who succeeded the two-time title holder Roger Federer . In doubles the Russian-Serbian duo Michail Juschny and Nenad Zimonjić won . It was awarded US $ 1 million in prize money and was the first tournament on the 2007 ATP Tour .