Niagara Region Tennis Network's High-End Tier 2 Doubles League

- Niagara Region Tennis Network's High-End Tier 2 Invitational Summer Doubles League
- Held on select Sunday evenings at Grimsby Tennis Club at 6:30 PM between May 28th and August 6th
- Each team will play vs one another over the course of 7 Sundays (regular season). The league finals between the 2 teams with the best regular season will be held on a later date within the summer.
- Matches will be the best 2 out of 3 sets (regular ad scoring), with a 10-point super-tiebreak being played if the score reaches 1 set all