On a difficult pitch Sutton took a while to get going after Ruth Graham fired in after just 4 minutes
In what was a frustrating first half, Tamworth kept the score down to 0-1 at half-time
In the second-half Sutton found their rhythm and on 56 minutes Tiara Hemans beat the Tamworth keeper from close range
On 70 and 73 minutes Hayley Chatwin eased the pressure as Sutton dominated play
On 85 minutes Laura Fryer fired in from 20 yards from wide right and Chatwin completed a hat-trick with a glancing header on 88 minutes
Player of the match was stand in keeper Jodie Mason who was brave and made some fine saves early on
Manager Andy Burman said "On a poor pitch we failed to adjust our game in the first-half but after the break we dominated and found our feet. Tamworth fought hard. Laura Fryer's goal was particularly good as was Chatter's header"