STEVENAGE, England (Interstat) — In a major Women’s FA Cup upset on Saturday, visiting Chesterfield W defeated Stevenage W 1-0 at The Lamex Stadium. Substitute Lee Bonis scored the match’s only goal to propel Chesterfield to the victory.

The result defied pregame projections from Interstat, which gave Stevenage a 68.9 percent chance to win and simulated a 4-0 victory for the home side. The match was a physical affair, featuring nine yellow cards issued throughout the contest.

With the win, Chesterfield W advances in the competition, improving its tournament record to 1-0. Stevenage W begins its cup campaign with a loss, falling to 0-1.