The match takes place at Goble Park on 26 April 2016, kick-off at 18h00, United going into the game after last week’s 1-1 draw with Golden Arrows which saw them coming from a goal and a man down to claim a point.
With five matches to play this season, the Team of Choice are just three points behind 15th placed Jomo Cosmos.
Stars are placed ninth on the Absa Premiership log with 33 points from 25 matches.
Maritzburg will be out to put the record straight against an Ea Lla Koto side that have won seven of the 17 matches the two sides have played. There have been nine draws, and just one win for United.
The corresponding first round game was won 3-2 by the Free State side.