misplay

Etymology
From.

Verb

 * 1)  To play incorrectly or poorly.
 * I misplayed that tennis shot: I should have hit it to her right instead of her left.
 * I misplayed that tennis shot: I should have hit it to her right instead of her left.

Noun

 * 1) A wrong play.
 * His misplay in the bridge tournament was penalized when it was noted he'd broken the rules.