Saskatchewan's Silvernagle locks up playoff berth at Canadian Open

Robyn Silvernagle's hometown rink has secured a playoff spot at the Canadian Open in North Battleford, Sask.

The team from North Battleford, Sask., knocked off Switzerland's Silvana Tirinzoni 8-4 in a B event game at the third major of the Grand Slam season on Friday.

Others to advance from the B event Friday were Edmonton's Laura Walker and American Nina Roth.

Walker beat Satsuki Fujisawa of Japan 8-6, while Roth edged Casey Scheidegger of Lethbridge, Alta., 5-4.

Scotland's Eve Muirhead and Ottawa's Rachel Homan already had qualified for the playoffs in the A event. Three more qualifiers were to come out of the C event on Friday night.

In men's play, Matt Dunstone's Regina rink stayed alive in C event play with a 10-2 win over Winnipeg's Jason Gunnlaugson.

Winnipeg's Braden Calvert eliminated Scott McDonald's Kingston, Ont., rink with an 8-5 victory in C action.

Scotland's Bruce Mouat and Edmonton's Brendan Bottcher are through to the playoffs after surviving the A event.

The Canadian Open uses a triple knockout format.