Which preposition to use with pankration

of Occurrences 3%

Nay but at Nemea too will I tell of honour of like kind with this, and of another ensuing thereon, won in the pankration of men.

at Occurrences 1%

But if thou comest to Themistios, to sing of him, away with chill reserve, shout aloud, hoist to the top-yard of the mast the sail, and tell how in the boxing and the pankration at Epidauros he won a double prize of valour, and to the portals of Aiakos bare fresh wreaths of flowers, led by the Graces of the yellow hair.

for Occurrences 1%

May we find favour with the Muses, that for Melissos too we kindle such beacon-blaze of song, a worthy prize of the pankration for this scion of Telesias' son.

Which preposition to use with  pankration