Ethon Archer scored a spectacular 89th-minute winner as Cheltenham stunned promotion hopefuls Notts County with a 2-1 victory at Meadow Lane.
The forward cut inside from the edge of the area before bending his effort past Magpies goalkeeper Alex Bass.
Jordan Thomas had brought Cheltenham level in the 75th minute when he found himself in the perfect position to capitalise on poor defending and finished calmly.
The 23-year-old hit a post eight minutes later in a moment of individual brilliance as the momentum shifted to the away side.
Alassana Jatta had given County a deserved lead in the first minute of added time at the end of the first half when an attempted back pass from Sam Stubbs fell into his path.
The Gambian forward took a clever touch past Cheltenham goalkeeper Joe Day before tapping into the empty net.
Jacob Bedeau and Will Jarvis were both denied by the woodwork for County late on.
