Oliver Ames High field hockey will open its MIAA Field Hockey South Division 1 playoff run at 2:30 p.m. Friday at Oliver Ames.
The fifth-seeded team will take on the winner of Medfield/Dighton-Rehoboth, which play on Wednesday evening.
Oliver Ames went 14-2-2 in the regular season.
There are three undefeated teams playing the tournament. Duxbury, Walpole and Dennis-Yarmouth have not lost a game this year.