This will be the second time the side's have met this season.
Westmeath Ladies are just 60 minutes away from appearing in an All Ireland Final.
Frank Browne's side face Tyrone this Sunday in the Intermediate Football semi final following their win over fellow Ulster side Cavan last month.
The two sides met in the group stages, where Tyrone were emphatic winners on the day, with the Lake County aiming to turn the result around this time out.
Browne says his team will give everything to win the game:
Throw in is at 2:00pm at Páirc Seán Mac Diarmada in Leitrim on Sunday.
Coverage with thanks to Keenan Bauer Motors Mullingar - Your home for Citroen and Honda in the Midlands - Keenanbauer.com
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