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The 2006 Chennai Open was an ATP men's tennis tournament held on outdoor hard courts in Chennai, India. The tournament was held from 2 January through 9 January 2006. First-seeded Ivan Ljubičić won the singles title.
Finals
Singles
Template:Main Template:Flagicon Ivan Ljubičić defeated Template:Flagicon Carlos Moyà 7–6(8–6), 6–2
- It was Ljubičić's 1st title of the year and the 4th of his career.
Doubles
Template:Main Template:Flagicon Michal Mertiňák / Template:Flagicon Petr Pála defeated Template:Flagicon Prakash Amritraj / Template:Flagicon Rohan Bopanna 6–2, 7–5
- It was Mertiňák's 1st title of the year and the 1st of his career. It was Pála's 1st title of the year and the 5th of his career.