The Army vs Navy women's rugby union Inter Services fixture will be played at Twickenham Stadium for the first time.
The fixture will be played immediately after the men’s match at the home of English rugby.
The matches will be played on 2 May 2020.
The men’s match will kick off at 2:00pm while the women’s match is set for a 4.30pm start.
In this year's Twickenham clash, the Army beat the Navy 27-11 in front of a crowd of 80,000.