The Robins fell to a 4-1 defeat at the hands of Bristol Rovers at the Completely-Suzuki Stadium.
Liam Sercombe got the only goal of the game for the Robins from the penalty spot after going into the break 4-0 down.
It was a bright start for the Robins as Sean Long got on the end of a Sercombe corner early on, however, he couldn’t direct it goalwards as it floated over the bar.
A miscommunication at the back saw Aaron Collins nick the ball high up the pitch before turning it in to give the visitors the lead after a quarter of an hour.
Cheltenham went in hunt of an immediate reply, with Sercombe whipping in the corner before Ben Williams’ shot required a deflection to carry it wide of the goal.
The resulting corner was headed on goal by Lewis Freestone, just to be cleared off the line by Jordan Rossiter to keep it out of Rover's net.
Rovers went on the attack again, with goal-scorer Aaron Collins turning provider with his cross met by Ryan Loft at the back post to double the Gas’ lead.
The Gas would then add another through Bobby Thomas, who headed home from a corner in front of the Optimising IT Stand.
Cheltenham continued to push for a goal, with Williams charging down the left-hand side, his cross found Jackson in the box, whose resulting ball couldn't be tuned home by Broom.
A lucky ball over the top found Collins for Rovers, who tucked the ball home to make it four for the visitors.
At the start of the second half, Freestone’s cross-field ball found Jackson who stormed into the box, only to pulled down to win a penalty for the Robins.
Sercombe stepped up to the spot to fire the ball into the back of the net to pull one back for the Robins just minutes into the second half.
In an attempt to pull another one back, Jackson played the ball up the field to Broom who found himself in on goal, however, a smart save from James Belshaw saw his effort into the side netting.
Robins – Southwood, Long, Williams, Freestone, Sercombe, Nlundulu (Olayinka 81), Taylor, Jackson, Bonds, Perry (Norton 81), Broom
Un-used Substitutes – MacDonald, Bradbury, Brown, Chapman, Adshead
Bristol Rovers – Belshaw, Gordon, Finley (McCormick 80), Collins (Clarke 90), Rossiter (Anderson 69), Coutts, Gibson (Hoole 90), Loft (Coburn 69), Evans, Gibbons, Thomas
Un-used Substitutes – Jasper, Jaakkola
Referee - S Barrott
Attendance - 5,145 (1430)