Rubuta ci gaba ga wannan sakin layi - Ya kammala karatu zuwa Champ Car a 1990, ya ci maki daya a kakar wasan farko. Ba a bayyana ba, bai taɓa nuna saurin da ya kai shi ga nasara huɗu na Atlantic ba; a maimakon haka, da sauri ya sami suna don kasancewa a ƙarshen ƙarshen grid, koyaushe abokan aikinsa sun fi shi. Duk da haka, ya zama direba na farko na Jafananci da ya yi tsere a Indianapolis 500 a 1991, kuma ya bi wannan nasarar tare da gamawa goma a Milwaukee. Matsushita ya rasa 1992 Indy 500
bayan da ya ji rauni a kafa a lokacin da yake horo. An cire shi na makonni da yawa kuma ya rasa wasanni shida masu zuwa.