| | | |
| June 12, 2018 | L | Orleans Firebirds 2 at Harwich Mariners 3 | Final |
| June 13, 2018 | | Brewster Whitecaps at Orleans Firebirds | Ppd. |
| June 14, 2018 | W | Yarmouth-Dennis Red Sox 4 at Orleans Firebirds 5 | Final |
| June 15, 2018 | L | Orleans Firebirds 1 at Bourne Braves 7 | Final |
| June 16, 2018 | L | Cotuit Kettleers 6 at Orleans Firebirds 2 | Final |
| June 17, 2018 | L | Orleans Firebirds 3 at Wareham Gatemen 4 (Game 1) | Final (7) |
| June 17, 2018 | W | Orleans Firebirds 10 at Wareham Gatemen 4 (Game 2) | Final (7) |
| June 19, 2018 | L | Orleans Firebirds 3 at Harwich Mariners 4 | Final |
| June 20, 2018 | L | Orleans Firebirds 4 at Cotuit Kettleers 5 | Final |
| June 21, 2018 | W | Brewster Whitecaps 0 at Orleans Firebirds 3 | Final |
| June 22, 2018 | W | Wareham Gatemen 3 at Orleans Firebirds 10 | Final |
| June 23, 2018 | | Orleans Firebirds at Cotuit Kettleers | Ppd. |
| June 24, 2018 | L | Hyannis Harbor Hawks 7 at Orleans Firebirds 3 (Game 1) | Final (7) |
| June 24, 2018 | L | Hyannis Harbor Hawks 3 at Orleans Firebirds 2 (Game 2) | Final (8) |
| June 26, 2018 | L | Orleans Firebirds 4 at Yarmouth-Dennis Red Sox 10 | Final |
| June 27, 2018 | L | Orleans Firebirds 0 at Falmouth Commodores 1 | Final |
| June 29, 2018 | L | Harwich Mariners 10 at Orleans Firebirds 8 | Final (11) |
| June 30, 2018 | T | Orleans Firebirds 3 at Brewster Whitecaps 3 | Final (10) |
| July 1, 2018 | W | Bourne Braves 6 at Orleans Firebirds 7 | Final |
| July 3, 2018 | L | Falmouth Commodores 6 at Orleans Firebirds 1 | Final |
| July 4, 2018 | W | Orleans Firebirds 3 at Chatham Anglers 0 | Final |
| July 5, 2018 | W | Chatham Anglers 0 at Orleans Firebirds 3 | Final |
| July 6, 2018 | | Orleans Firebirds at Hyannis Harbor Hawks | Ppd. |
| July 7, 2018 | L | Orleans Firebirds 2 at Bourne Braves 7 | Final |
| July 8, 2018 | W | Brewster Whitecaps 8 at Orleans Firebirds 9 | Final |
| July 9, 2018 | W | Orleans Firebirds 9 at Chatham Anglers 3 | Final |
| July 11, 2018 | L | Harwich Mariners 9 at Orleans Firebirds 3 | Final |
| July 12, 2018 | L | Orleans Firebirds 8 at Yarmouth-Dennis Red Sox 11 | Final |
| July 13, 2018 | L | Chatham Anglers 4 at Orleans Firebirds 0 | Final |
| July 14, 2018 | W | Bourne Braves 1 at Orleans Firebirds 6 | Final |
| July 15, 2018 | W | Orleans Firebirds 3 at Brewster Whitecaps 2 | Final |
| July 17, 2018 | L | Yarmouth-Dennis Red Sox 5 at Orleans Firebirds 2 | Final |
| July 18, 2018 | L | Falmouth Commodores 10 at Orleans Firebirds 3 | Final |
| July 19, 2018 | L | Orleans Firebirds 2 at Falmouth Commodores 8 | Final |
| July 20, 2018 | L | Orleans Firebirds 1 at Hyannis Harbor Hawks 4 | Final |
| July 21, 2018 | L | Harwich Mariners 8 at Orleans Firebirds 5 | Final |
| July 24, 2018 | W | Orleans Firebirds 8 at Harwich Mariners 5 | Final |
| July 25, 2018 | L | Orleans Firebirds 4 at Yarmouth-Dennis Red Sox 8 | Final (8) |
| July 27, 2018 | L | Cotuit Kettleers 6 at Orleans Firebirds 5 | Final |
| July 28, 2018 | L | Wareham Gatemen 11 at Orleans Firebirds 2 | Final |
| July 29, 2018 | L | Orleans Firebirds 3 at Brewster Whitecaps 4 | Final |
| July 30, 2018 | L | Orleans Firebirds 9 at Hyannis Harbor Hawks 11 | Final |
| July 31, 2018 | L | Yarmouth-Dennis Red Sox 2 at Orleans Firebirds 0 | Final |
| August 1, 2018 | L | Orleans Firebirds 5 at Chatham Anglers 6 | Final |
| August 2, 2018 | W | Chatham Anglers 8 at Orleans Firebirds 9 | Final (:58 P) |
Orleans Firebirds Schedule
