The OASA welcome all Associations and teams to advertise their own tournaments with us. Please send all information regarding your tournament to dave.northern1@gmail.com
| Date | Series | Location | Contact Info | Details |
| May 29-31, 2026 | U11 boys | Wilmot Township | ppoirier@wilmotthunder.com | Wilmot Softball Association $800 entry fee, 4 game guarantee |
| June 4-7, 2026 | U13, U15, U17, U20 boys | Wilmot Township | ppoirier@wilmotthunder.com | Wilmot Softball Association $925 entry fee |
| June 12-14, 2026 | U17 boys and Men’s | Tara | Tara Twins Minor Softball | Tara Twins Minor Softball $500 entry fee |
| June 19-21, 2026 | U13 and U15 boys | Oshawa | Wes Vezza – wesvezza@gmail.com | Oshawa Double B Sports Club |
| June 26-28, 2026 | U11, U13 and U15 boys | Tara | Tara Twins Minor Softball | Tara Twins Minor Softball $500 entry fee |


