An Austin man pleaded guilty to a felony sex crime Friday for having intercourse with a 13-year-old girl two years ago.

Alex William Holtzworth, 22, will be sentenced in July on one count of fourth-degree criminal sexual conduct.

According to a criminal complaint, Holtzworth had sex with the teenager six times over two days in March 2008, the first time coming during a house party held in Austin.

Holtzworth admitted to police that he had sex with the girl, the complaint states. He said she first told him she was 15, then told him she was 14.