“Everything I do it’s the first for my country,” Gulbis said.
The world no.72 will move to a top 40 ranking next week.
Meanwhile, defending champions Bob and Mike Bryan won their 58th career title at the tournament after a 6-3, 7-6(3) victory over Philipp Marx and Igor Zelenay.
The Bryans are four titles away from surpassing the 61 titles record (most doubles titles in the Open Era) held by Todd Woodbridge and Mark Woodforde.
(Images via Yahoo! Sports)