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Tunbridge Wells will play Shildon or Ascot United in the FA Vase semi-finals.
Wells will play the first leg at home on March 23, with the return leg on March 30.
Shildon, of the Northern League League 1, and Ascot United, of the Uhlsport Hellenic League Premier Division, will replay their quarter-final on Saturday after a 1-1 draw last weekend.
Boss Martin Larkin said: "It's really exciting times for the club and the players. We've got three weeks before it starts and we'll get ourselves ready."
Wells booked their place in the last four with a 2-0 home victory against Hadleigh.
The final will be played at Wembley Stadium on Saturday, May 4.