Ionut Buruiana, 26, of Wharton Court, Chester, is accused of attacking a 34-year-old victim outside RBS bank at the corner of Foregate Street and Frodsham Street on March 13.
The alleged incident took place at about 1.30am after the victim had been on a night out in the city.
Cheshire Police said the woman, who cannot be identified, had received ‘support from specially trained officers’.
Speaking through an interpreter and via a video link from HMP Altcourse, Buruiana entered his not guilty plea at Chester Crown Court on April 18.
He will remain in custody until his trial at Chester Crown Court on August 15.