an from iran emmanuel mike agassian who represented iran in boxing at the one nine four eight and one nine five two olympic games before emigrating to the united states was intent on having a child win all four tennis grand slams he called agassi s two older siblings guinea pigs in the development of his coaching techniques he honed andre s eye coordination when he was an infant by hanging tennis balls above his crib he gave agassi paddles and balloons when he was still in a high chair when agas