It’s down to the semifinals of the LISFL Ryder/Vass Cup.

The final four teams will square off Tuesday night for a spot in Sunday’s final.

Real Caribe will play Port Jefferson Blue in a Long Island Soccer Football League Under-23 semifinal at the Field of Dreams in East Meadow, N.Y. at 6:15 p.m.

Doxa will take on PDB Academy at Lehman High School in the Bronx at 9 p.m. (note the new time).

In Sunday’s quarterfinals:

* Port Jeff defeated Oceanside, 5-2

* Real Caribe blanked Dix Hills, 3-0

* Doxa downed Smithtown, 1-0

* PDB edged Port Jeff, 2-1

The final is set for Van Buren H.S. in Queens Sunday at 5 p.m.