It looks as if college may be in Charlie Villanueva’s future, after all.

Villanueva, a 6-foot-10 high school standout from Brooklyn, N.Y., who has entered his name in the June 26 NBA draft but will attend UConn if he’s not assured first-round status, struggled Thursday during his first individual workout before NBA general managers, coaches and scouts.

Villanueva’s desire was questioned by some of the 200 NBA representatives in attendance at Chicago’s Hoops The Gym. Some scouts were apparently astonished when the McDonald’s All-American barely broke a sweat during shooting, dribbling and full-court running drills.

“Bad attitude,” one NBA general manager said in describing Villanueva to Chad Ford of ESPN Insider.

“Terrible attitude,” one NBA coach said of Villanueva, who verbally committed to Illinois last November but never signed with Bill Self’s Illini program. He took a recruiting visit to Kansas University after Self was hired last April but ultimately committed to Jim Calhoun’s Huskie program.

One consolation for Villanueva is he will get another chance.

ESPN’s Andy Katz said more workouts were being scheduled at IMG Academy in Bradenton, Fla., where Villanueva has been working out the past two weeks.

He has until June 19 to pull his name out of the draft.

Ndudi Ebi, a 6-11 forward from Texas who is headed to the NBA or University of Arizona, also had a less-than-impressive individual workout Thursday, ESPN indicated. Consensus of scouts interviewed by ESPN was both players could definitely use college seasoning before trying the NBA.

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Guard picks Virginia: Sean Singletary, a 5-11 senior-to-be from Penn Charter High in Philadelphia, Friday verbally committed to Virginia over Kansas, Rutgers, Pitt, Ohio State and others.

“Bill Self and (KU assistant) Norm Roberts did a tremendous job in the way they recruited Sean,” Penn Charter coach Jim Phillips’ told Shay Wildeboor of rivals.com. “They came in swinging and really made up a lot of ground. Sean had not heard from Kansas until coach Self and coach Roberts arrived, so they did a great job.”

Some other guards have expressed interest in KU, including A.J. Price, 6-1 of Amityville, N.Y.; Kyle Lowry, 5-11 of Philadelphia, and Jason Horton, 6-1 of Cedar Hill, Texas.

Price has a top six of KU, Syracuse, UConn, St. John’s, Virginia and Georgia Tech. Lowery is down to KU, Syracuse, Pittsburgh, UCLA, UConn and St. Joseph’s. Horton, who plans to visit KU this summer, favors Missouri over KU, Arizona State, Arkansas, Florida and Florida State.

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Simien progressing: KU junior-to-be Wayne Simien’s rehab from right shoulder surgery is right on schedule, former KU trainer Mark Cairns said this week. Simien, who had surgery March 28 to repair a ligament tear, has full range of motion in the shoulder. He is shooting the basketball and likely will be able to start playing in pick-up games in August.

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Hinrich, Collison take physicals: KU’s Nick Collison and Kirk Hinrich, who are certain first-round picks in the NBA draft, are in Chicago for draft camp, but only to take physical examinations. They have been advised by their agents to not compete in drills at the camp.