| | | |
| June 12, 2018 | L | Brewster Whitecaps 1 at Cotuit Kettleers 10 | Final |
| June 13, 2018 | | Brewster Whitecaps at Orleans Firebirds | Ppd. |
| June 14, 2018 | L | Chatham Anglers 8 at Brewster Whitecaps 0 | Final |
| June 15, 2018 | W | Brewster Whitecaps 10 at Chatham Anglers 1 | Final |
| June 16, 2018 | W | Bourne Braves 1 at Brewster Whitecaps 6 | Final |
| June 17, 2018 | L | Brewster Whitecaps 3 at Hyannis Harbor Hawks 4 (Game 1) | Final (7) |
| June 17, 2018 | L | Brewster Whitecaps 5 at Hyannis Harbor Hawks 6 (Game 2) | Final (7) |
| June 19, 2018 | T | Yarmouth-Dennis Red Sox 4 at Brewster Whitecaps 4 | Final |
| June 20, 2018 | L | Chatham Anglers 7 at Brewster Whitecaps 0 | Final |
| June 21, 2018 | L | Brewster Whitecaps 0 at Orleans Firebirds 3 | Final |
| June 22, 2018 | W | Cotuit Kettleers 4 at Brewster Whitecaps 5 | Final |
| June 23, 2018 | L | Brewster Whitecaps 2 at Wareham Gatemen 3 | Final (10) |
| June 24, 2018 | L | Falmouth Commodores 7 at Brewster Whitecaps 2 (Game 1) | Final (7) |
| June 24, 2018 | L | Falmouth Commodores 5 at Brewster Whitecaps 3 (Game 2) | Final (7) |
| June 26, 2018 | L | Bourne Braves 10 at Brewster Whitecaps 9 | Final |
| June 27, 2018 | L | Hyannis Harbor Hawks 7 at Brewster Whitecaps 5 | Final |
| June 29, 2018 | L | Brewster Whitecaps 0 at Bourne Braves 14 | Final |
| June 30, 2018 | T | Orleans Firebirds 3 at Brewster Whitecaps 3 | Final (10) |
| July 1, 2018 | W | Brewster Whitecaps 5 at Falmouth Commodores 4 | Final |
| July 3, 2018 | L | Brewster Whitecaps 10 at Yarmouth-Dennis Red Sox 12 | Final |
| July 4, 2018 | L | Harwich Mariners 8 at Brewster Whitecaps 1 | Final |
| July 5, 2018 | L | Brewster Whitecaps 0 at Harwich Mariners 6 | Final |
| July 6, 2018 | | Wareham Gatemen at Brewster Whitecaps | Ppd. |
| July 7, 2018 | T | Yarmouth-Dennis Red Sox 6 at Brewster Whitecaps 6 | Final |
| July 8, 2018 | L | Brewster Whitecaps 8 at Orleans Firebirds 9 | Final |
| July 9, 2018 | L | Brewster Whitecaps 1 at Wareham Gatemen 4 | Final |
| July 11, 2018 | W | Yarmouth-Dennis Red Sox 1 at Brewster Whitecaps 6 | Final |
| July 12, 2018 | L | Harwich Mariners 7 at Brewster Whitecaps 5 | Final |
| July 13, 2018 | W | Brewster Whitecaps 2 at Harwich Mariners 1 | Final (:30 P) |
| July 14, 2018 | L | Brewster Whitecaps 2 at Yarmouth-Dennis Red Sox 7 | Final |
| July 15, 2018 | L | Orleans Firebirds 3 at Brewster Whitecaps 2 | Final |
| July 17, 2018 | W | Brewster Whitecaps 8 at Chatham Anglers 6 | Final |
| July 18, 2018 | W | Wareham Gatemen 3 at Brewster Whitecaps 5 (Game 1) | Final |
| July 18, 2018 | W | Wareham Gatemen 5 at Brewster Whitecaps 6 (Game 2) | Final |
| July 19, 2018 | L | Chatham Anglers 17 at Brewster Whitecaps 3 | Final (7) |
| July 20, 2018 | W | Brewster Whitecaps 7 at Yarmouth-Dennis Red Sox 3 | Final |
| July 21, 2018 | L | Brewster Whitecaps 1 at Bourne Braves 5 | Final |
| July 24, 2018 | W | Brewster Whitecaps 9 at Chatham Anglers 1 | Final (6) |
| July 25, 2018 | L | Cotuit Kettleers 8 at Brewster Whitecaps 6 | Final |
| July 27, 2018 | T | Hyannis Harbor Hawks 4 at Brewster Whitecaps 4 | Final |
| July 28, 2018 | | Brewster Whitecaps at Cotuit Kettleers | Ppd. |
| July 29, 2018 | W | Orleans Firebirds 3 at Brewster Whitecaps 4 | Final |
| July 30, 2018 | L | Brewster Whitecaps 2 at Cotuit Kettleers 9 | Final |
| July 31, 2018 | L | Brewster Whitecaps 2 at Falmouth Commodores 10 | Final |
| August 1, 2018 | W | Harwich Mariners 8 at Brewster Whitecaps 11 | Final |
| August 2, 2018 | L | Brewster Whitecaps 2 at Harwich Mariners 7 | Final |
| August 4, 2018 | | Brewster Whitecaps at Yarmouth-Dennis Red Sox (Playoff Gm. 1) | Ppd. |
| August 5, 2018 | W | Brewster Whitecaps 5 at Yarmouth-Dennis Red Sox 4 (Playoff Gm. 1) | Final |
| August 6, 2018 | W | Yarmouth-Dennis Red Sox 2 at Brewster Whitecaps 12 (Playoff Gm. 2) | Final |
| August 8, 2018 | L | Brewster Whitecaps 6 at Chatham Anglers 11 (Playoff Gm. 1) | Final |
| August 9, 2018 | | Chatham Anglers at Brewster Whitecaps (Playoff Gm. 2) | Ppd. |
| August 10, 2018 | L | Chatham Anglers 3 at Brewster Whitecaps 2 (Playoff Gm. 2) | Final |
Brewster Whitecaps Schedule
