Defending champions Leinster will host their rivals Munster in the Guinness PRO14 at the Aviva Stadium on the evening of Saturday August 22nd.
Connacht are set to take on Ulster on the following day at the same venue with the northern province taking on Leinster a week later and Munster facing Andy Friend's westerners.
All four of those inter-pro derbies are likely to take place behind closed doors, with the government currently limiting attendances at outdoor events to 200 people.
The regular section of the PRO14 season will come to end after those two rounds of games, with organisers cutting the campaign from 21 to 15 matches.
PRO14 Fixtures:
Round 14
Friday 21 August
Benetton Rugby v Zebre, Stadio Monigo, Treviso, 7pm
Saturday 22 August
Scarlets v Cardiff Blues, Parc y Scarlets, 3pm
Edinburgh v Glasgow Warriors, BT Murrayfield, 5.15pm
Leinster v Munster, Aviva Stadium, 7.35pm
Sunday 23 August
Ospreys v Dragons, Liberty Stadium, 2.15pm
Connacht v Ulster, Aviva Stadium, 4.30pm
Round 15
Friday 28 August
Glasgow Warriors v Edinburgh, BT Murrayfield, 7.35pm
Saturday 29 August
Dragons v Scarlets, Rodney Parade, 3.15pm
Ulster v Leinster, Aviva Stadium, 7.35pm
Sunday 30 August
Munster v Connacht, Aviva Stadium, 3pm
Cardiff Blues v Ospreys, Rodney Parade, 5pm
Zebre v Benetton Rugby, Stadio Lanfranchi, 7pm
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