All games Tuesday at 4 p.m.

No. 4 seed Williamstown (16-8) at No. 1 seed Eastern (25-3) in South Jersey Group 4 semifinals: The Vikings have game-changing speed at the top of the lineup in Nick Tierno, Ryan Delaney and Tom Flacco.

No. 7 Lenape (13-9) at No. 6 Shawnee (15-9) in South Jersey Group 4 semifinals: These school-district rivals split two games in the regular season.

No. 9 Kingsway (14-15) at No. 5 Burlington Township (13-7) in South Jersey Group 3 semifinals: The Dragons have made a remarkable recovery from an 0-8 start.

No. 8 Haddonfield (11-15) at No. 4 Cinnaminson (18-8) in South Jersey Group 2 semifinals: Junior Carter Fichter has a pair of postseason pitching wins as the Bulldogs have caught fire in the playoffs after losing eight of nine entering the tournament.

No. 3 West Deptford (16-6) at No. 2 Sterling (17-6) in South Jersey Group 2 semifinals: The Silver Knights, who have won nine of 10, beat the Eagles twice in Colonial Liberty play by a combined score of 18-0 as junior Donovan Casey pitched a pair of shutouts.

No. 4 Haddon Township (13-9) at No. 1 Pennsville (19-3): Behind senior pitcher Luke Westfield, the Eagles have not lost since an 11-8 setback then-No. 1 Gloucester Catholic on April 16.

No. 3 Pitman (18-5) at No. 2 Audubon (20-4): The Green Wave are 19-1 in the state tournament over the last four seasons.   - Phil Anastasia