Mariners Schedule
All times Eastern
Complete Schedule
| June 17, 2019 | W | White Sox 6 at Mariners 7 | Final |
| June 18, 2019 | W | Mariners 9 at Brewers Gold 4 | Final |
| June 19, 2019 | W | Dodgers Mota 3 at Mariners 6 | Final |
| June 21, 2019 | L | Brewers Blue 2 at Mariners 0 | Final |
| June 22, 2019 | L | Mariners 2 at Dodgers Lasorda 3 | Final |
| June 23, 2019 | L | Mariners 2 at Rangers 3 | Final |
| June 24, 2019 | L | Rangers 4 at Mariners 2 | Final |
| June 26, 2019 | W | Mariners 9 at Royals 2 | Final |
| June 27, 2019 | W | Reds 0 at Mariners 3 | Final |
| June 28, 2019 | L | Indians Red 4 at Mariners 3 | Final |
| June 29, 2019 | W | Mariners 6 at Angels 3 | Final (10) |
| July 1, 2019 | L | Mariners 6 at Padres 1 9 | Final |
| July 2, 2019 | W | Angels 1 at Mariners 6 | Final |
| July 3, 2019 | L | Mariners 1 at Diamondbacks 3 | Final |
| July 4, 2019 | L | Cubs 1 4 at Mariners 0 | Final |
| July 6, 2019 | W | Mariners 10 at Cubs 2 9 | Final |
| July 7, 2019 | W | Mariners 8 at Athletics Gold 3 | Final |
| July 8, 2019 | W | Brewers Gold 2 at Mariners 9 | Final |
| July 10, 2019 | L | Padres 2 3 at Mariners 2 | Final |
| July 12, 2019 | L | Royals 11 at Mariners 4 | Final |
| July 13, 2019 | W | Mariners 9 at Indians Red 6 | Final |
| July 14, 2019 | W | Dodgers Lasorda 3 at Mariners 5 | Final |
| July 15, 2019 | L | Mariners 4 at White Sox 5 | Final (10) |
| July 17, 2019 | W | Cubs 2 5 at Mariners 6 | Final (10) |
| July 18, 2019 | L | Mariners 4 at Giants Orange 7 | Final |
| July 19, 2019 | L | Padres 1 6 at Mariners 2 | Final |
| July 20, 2019 | L | Mariners 2 at Dodgers Mota 4 | Final |
| July 22, 2019 | W | Mariners 7 at Brewers Blue 5 | Final |
| July 23, 2019 | L | Indians Blue 10 at Mariners 7 | Final |
| July 24, 2019 | W | Mariners 10 at Indians Blue 9 | Final |
| July 25, 2019 | L | Dodgers Mota 6 at Mariners 0 | Final |
| July 27, 2019 | L | Brewers Blue 2 at Mariners 0 | Final |
| July 28, 2019 | L | Mariners 6 at Reds 8 | Final |
| July 29, 2019 | W | Mariners 8 at Rangers 4 | Final |
| July 30, 2019 | L | Rangers 5 at Mariners 3 | Final (8) |
| August 1, 2019 | L | Mariners 2 at Royals 3 | Final (11) |
| August 2, 2019 | W | Athletics Green 5 at Mariners 6 | Final |
| August 3, 2019 | W | Indians Red 1 at Mariners 11 | Final |
| August 4, 2019 | L | Mariners 0 at Giants Black 2 | Final |
| August 6, 2019 | W | Mariners 4 at Padres 1 3 | Final |
| August 7, 2019 | L | Diamondbacks 4 at Mariners 1 | Final |
| August 8, 2019 | L | Mariners 2 at Padres 1 14 | Final |
| August 9, 2019 | L | Athletics Gold 5 at Mariners 4 | Final |
| August 11, 2019 | L | Mariners 0 at Padres 2 2 | Final |
| August 12, 2019 | L | Mariners 4 at Dodgers Mota 8 | Final |
| August 13, 2019 | W | Reds 4 at Mariners 5 | Final |
| August 14, 2019 | W | Royals 6 at Mariners 7 | Final |
| August 16, 2019 | L | Royals 5 at Mariners 1 | Final |
| August 17, 2019 | L | Mariners 4 at Indians Red 5 | Final |
| August 18, 2019 | L | White Sox 5 at Mariners 1 | Final |
| August 19, 2019 | L | Mariners 1 at Athletics Gold 3 | Final |
| August 21, 2019 | L | Giants Orange 7 at Mariners 2 | Final |
| August 22, 2019 | L | Mariners 6 at Reds 9 | Final |
| August 23, 2019 | L | Padres 1 6 at Mariners 4 | Final |
| August 24, 2019 | L | Mariners 3 at Dodgers Mota 4 | Final |
| August 26, 2019 | W | Mariners 6 at Athletics Green 5 | Final |
