The Maple Tree on the Woodfield Plantation estate in Balby has been closed since 21-year-old Tom Bell was shot there on Thursday, January 17.
The popular Doncaster boxer was shot in his chest and abdomen when a gun was fired through the pub windows.
He was treated at the scene and rushed to hospital but was unable to be saved.
Four arrests have been made over the shooting so far, with two men charged.
A 37-year-old man and a 21-year-old woman who were arrested on suspicion of assisting an offender have been released pending further enquiries.
The Maple Tree will re-open on Wednesday, January 30, with food and drinks served from noon until 6pm.
The pub will trade from noon until 8pm on Thursday and from noon until 9.30pm on Friday, Saturday and Sunday this week.
In Facebook post, the pub management said: “We the team at the Maple Tree would like to thank all our customers and friends for their messages of support at this difficult time. “Looking forward to welcoming you all back.Your continued support really does mean so much to us all.”
Anyone with information should call South Yorkshire Police on 101 or Crimestoppers, anonymously, on 0800 555111.
Quote incident number 796 of January 17.