The Steve Stevens Senior National Tennis Championships will be held August 19-26 in Montreal. Entry deadline is July 23. In 2017, a total of 19 Manitoba players competed in the tournament.
Online registration link: https://tc.tournamentsoftware.com/sport/tournament.aspx?id=992E182C-37A1-4AFB-8447-9076DA38F7DE
Read more about the tournament: https://www.tenniscanada.com/tournaments/steve-stevens-senior-nationals-2018/
