का खेल है

is the doing of

→ का
phrase Rare #11,036
is the doing of Literally means “is the play of.” The phrase can describe something as caused by or belonging to someone or something; in “बाएँ हाथ का खेल,” it refers to something very easy.
HI: यह सब किस्मत का खेल है।
EN: This is all fate’s doing.

ये हमारे बाएँ हाथ का खेल है।

This is child's play for us.

— Sholay (1975)

यह तो हम दोनों का खेल है।

This is a game for both of us.

— Tribhanga (2021)