The two-year-old bitch from Brian Canon of Kilmarnock snatched the honours from early leader K. C. Dream, a three-year-old bitch from the Hill kennels at Hawick.
Earlier Lanarkshire-based Horsey powered through the field to secure his fifth sprint victory in six outings.
The three-year-old dog, trained at the Kennedy kennels in Coatbridge, edged past long-time leader Drac from the Hobbs kennel at Lancaster.
In a good night for north-of-the-border entries Petite, a three-year-old from the Watson kennels at Cumnock finished three lengths in front of strongest challenger Snowie Dream from the Hill kennels at Hawick.
Finally, racing fans can check on recent form by going online to the DnG24 Gretna racing archive at www.dng24.co.uk/?s=greyhounds
RESULTS and STARTING PRICES
First race (7.30) – 1, Flash the Cash, trap 1, price 2/1; 2, Cara, 5, 2/1; distance 3.5 lengths; winning time 17.60 seconds.
Second (7.45) – 1, Tic Tac, 1, 4/6; 2, War Paint, 5, evens/fav.; 2.5; 17.40.
Third (8.00) – 1, Noisy Rascal, 3, 6/4; 2, Canny Make It, 4, 5/4; 1.5; 17.56.
Fourth (8.15) – 1, Petite, 4, 2/1; 2, Snowie Dream, 5, 2/1; 3; 17.57.
Fifth (8.30) – 1, Horsey, 5, 6/4; 2, Drac, 2, 2/1; .5; 17.13.
Sixth (8.45) – 1, Bally Boom, 1, evens/fav.; 2, Rosemary, 2, 5/2; 2.5; 17.40.
Seventh (9.00) – 1, Macca Mini, 1, 5/2; 2, Night Rascal, 5, 6/4, .75; 17.76.
Eighth (9.15) – 1, Bellfield, 1, 6/4; 2, K. C. Dream, 2, 6/4; 1; 29.56.
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