Following her eye-catching win at Randwick last Saturday Winx has been heavily backed for next month’s Epsom Handicap.

The Chris Waller trained mare has firmed from $13 into $4.00 favourite for the Randwick Group 1.

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Such was the strength of her last to first win in the George Main Stakes, Winx has knocked stablemate Kermadec ($9.00) from top spot.

Noble Protector ($15 into $13) and another Waller runner, Catkins ($26 into $21), have also firmed for the Epsom.

“Winx is certainly an exciting mare and has obviously caught the eye of punters. She’s had a stack of support since last Saturday and is now the best backed runner in the Epsom,’’ said sportsbet.com.au’s Christian Jantzen.