Tsonga prevailed over Ljubicic 6-3, 6-7 (4-7), 6-3, winning 86 percent of first-serve points and 68 percent of his service points overall.
The 10th-ranked Frenchman also forced Ljubicic into 13 break points, converting six of them en route to his first title of the year.
Tsonga improved to 6-3 all-time in finals in taking his first crown since October 2009 in Tokyo,
Ljubicic was seeking his first title since April 2010 at Indian Wells.
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