Yesterday, the Acton-Boxboro field hockey team did its part, beating Masconomet, 2-0, in the first round of the MIAA Division 1 North tournament.

Senior Alexa Sikalias had a goal and an assist for the top-seeded Colonials, who improved to 19-0. Masconomet’s Olivia Lobdell had 12 saves in defeat as the Chieftains ended their season 9-8-3.

The “other’’ A-B team? That would be the No. 1-ranked, 17-0 girls’ soccer team that starts play tomorrow in Division 1 North. The soccer team faces the winner of today’s Concord-Carlisle-Woburn preliminary-round game.

Andover 4, Lincoln-Sudbury 0 - Twins Anne and Kate Farnham each scored as the second-seeded Golden Warriors (18-0-1) advanced.

Division 2 North

Manchester Essex 1, Bishop Fenwick 0 - Junior Lizzy Ball scored her first goal of the season to spark Manchester Essex.

Barnstable 3, Mansfield 0 - Red Raiders senior setter Maribeth Martin had 27 assists while sophomore middle hitter Kayle Deluga had 16 kills.

Brockton 3, Walpole 0 - Morgan Thatcher contributed 18 kills and Megan Mills had 8 aces and 7 blocks.

MIAA North Division 3

Lynnfield 3, Mystic Valley 0 - Pioneer senior captains Andrea Simonelli (24 assists) and Abby Shove (11 kills) teamed with junior Kelsey Mancini (five aces) for the win.

MIAA Central Division 3

Mt. Alvernia 3, Assabet 0 - Senior setter Andrea Conroy had 24 assists for the Mustangs.