When the action was done on Thursday 32-year-old Brent Winston out of Sheridan, Ark., was in first place with a 10-under par, 62.
The round is just one shot shy of tying the course record of 61.
Winston took fifth place in last year's Health Facilities Rehab Center Classic where his best round was a 65.
Albany, Ga., native Josh Broadaway, 26, is in second place with a nine-under par, 63.
Sean Dougherty is in third place with an eight-under par, 64. Michael Boyd and Wilhelm Schauman are tied for fourth place with a 65 apiece. Andrew Tschudin and Brent Wanner are tied for sixth with a 66 apiece.
Matt Anderson and Ramon Bescansa are tied for eighth place with 67s.
Elliot Gealy, John Kimbell, Michael Lavery, Tee McCabe, Steve Shuert, Chris Simmons, Simon Tooman and Todd Vernon are all tied for 10th with a 68 each.
Todd Pinneo, who took second place last year on a playoff hole, finished tied for a distant 18th place with a 69.
Sikeston native Brandon Couch, playing as an amateur, finished tied for 124th place with a seven-over par, 79. His placing was the highest of all amateurs competing.
The tournament will resume today and will continue until Sunday.