Sixth-seeded Holmdel (11-1) won the South, Group 2 sectional championship, defeating top-seeded Manasquan, 4-1, behind a sweep of the singles flights and a dominant performance at first doubles.Holmdel has won the last 16 South Jersey, Group 2 section titles dating back to 2009. This is the Hornets’ 25th section title in program history. Holmdel will face Mendham in the Group 2 championship match on Thursday at Mercer County Park.