Lane 5 and firm (12.3 GS) for the turf on a hot/humid day, without much wind.

Off a victory in the G3 Trillium, Gamble's Ghost should be favored in the G3 Ontario Matron, but one could make a case for many others in the mile and a sixteenth route. 

Leading trainer Mark Casse is sending out front-runner My Arch Enemy and stalker Let It Ride Mom. Grizzel was a close fourth behind Gamble's Ghost and My Arch Enemy in the Trillium, finishing just in front of Sister Nation, who's coming into the Matron in great shape, according to trainer Mike DePaulo.  

Woodbine's hottest trainer, Jim Ensom, is sending out Conquest Eliminatr in the sixth, the favored Chill in the seventh, and Red At Last in the 10th.

The Jackpot Hi 5 carryover is nearly $80K.

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