The fifth-seeded Monfils won the tournament in 2010 and was the runner-up two years later. He took a step toward a third appearance in the finals with a 6-4, 4-6, 6-3 decision over Lukasz Kubot. There was one break in each set with Monfils getting his in the first and third sets.
He lost just seven points on serve in the third set and didn't allow Kubot a break opportunity in that set.
No. 6-seeded Jarkko Nieminen advanced when Aleksandr Nedovyesov retired with a right shoulder injury. The match was tied 4-6, 6-2, 4-4 when play was stopped.
Also, Dustin Brown defeated Teymuraz Gabashvili 4-6, 6-1, 7-6 (7-1) and Joao Sousa took out Tobias Kamke 3-6, 6-1, 6-4.