Indianapolis, IN -- (Sports Network) - Americans James Blake and Sam Querrey were both second-round winners Thursday at the $525,000 Indianapolis Tennis Championships.

The top-seeded Blake cruised to a straight-sets win over Korean qualifier Woong-Sun Jun 6-3, 7-5 on the hardcourts at the Indianapolis Tennis Center.

Blake, who captured this title in 2006, moves on to a third-round matchup with Taipei's Yen-Hsun Lu.

Querrey, the fourth seed, dropped the first set to fellow American Vincent Spadea -- the runner up here in 1999 -- but rallied for a 4-6, 6-3, 6-4 win.

In other Day 4 action, Lu beat American wild card Rajeev Ram 6-1, 7-6 (7-1) and American Bobby Reynolds routed Colombian Alejandro Falla 6-1, 6-1 to set up a third-round meeting with Querrey.

The 2008 Indianapolis titlist will pocket $83,500.