The Fourth Annual Invitational was held on Saturday, September 19, 2020 at the St. Germain Town Park in St. Germain, Wisconsin due to construction at the Edwin R. Staffen Memorial Horseshoe Court.

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Featuring 11-ish teams, the Fourth Annual Invitational featured teams from across the nation from ages 13 to old.

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As usual, the tournament was won by the Beer Snobs, with Team Pitch coming in second place.