Caledonia, chasing the fifth Super 5s position, went down 14-6 to Liverpool Lizards, for whom Katie Hesketh scored four.
City of Manchester made it six wins from six matches but it wasn't until the final quarter that they made sure of the points against Leeds Sharks. At the start of the last, Manchester were only 9-7 ahead; then four goals from Stephanie Whittaker and two from Emmie-Rose Eastwood took the final score to 15-8. Tegan Stanbach and Kelsey O'Brien notched hat-tricks for Leeds.
Coventry also chalked up their sixth win from six games - 10-5 against Sheffield Sharks, including goals from Kimberly Watson (4) and Ruby Versfeld (3). It set up the mouth-watering prospect of a clash with Manchester tomorrow to decide which team finishes top after phase one.