Another bettor has placed a $13,300 multi on the same option, combined with the Baker/Forsman pairing to win the 2018/19 Trainers Premiership at $1.25 to return $50,002.50.
There's also been a number of smaller bets on the WINX Special including three punters each staking $2,000.
The champion mare will run in the newly-renamed and upgraded Group 1 Winx Stakes (formerly the Group 2 Warwick Stakes), as she begins her campaign towards an unprecedented fourth Cox Plate.
Winx is $1.16 to win the 1400m race on Saturday ahead of Kementari ($7) and D'Argento ($20).
$3 Multi could return $2,630.10
Crusaders v Lions - Head to Head: Crusaders @ $1.08
Newcastle v Wests - Head to Head: Wests Tigers @ $1.80
South Sydney v Melbourne - Head to Head: South Sydney Rabbitohs @ $2.15
St George-Illawarra v NZ Warriors - Head to Head: New Zealand Warriors @ $2.70
Parramatta v Gold Coast - Head to Head: Parramatta Eels @ $1.70
Sydney v North Queensland - Head to Head: Sydney Roosters @ $1.20
Cronulla v Manly - Head to Head: Manly Sea Eagles @ $3.10
Penrith v Canberra - Head to Head: Penrith Panthers @ $1.40
Hawthorn v Essendon - Head to Head: Hawthorn Hawks @ $1.95
Australia v New Zealand - Head to Head: Australia @ $4.50
$10 Multi could return $1,938.40
Canberra v Wests - Head to Head: Wests @ $2.35
Melbourne v Cronulla - Head to Head: Cronulla @ $2.60
Melbourne Demons v Sydney Swans - Head to Head: Sydney Swans @ $3.00
Sri Lanka v South Africa 5th ODI - Head to Head: Sri Lanka @ $2.35
Australia New Zealand - Head to Head: Australia @ $4.50