ˌɔɪɐkˈɑːwə ɪz kənsˈɪdɚd təbi ðə lˈæst ʌvðə ɡɹˈeɪt "stɹˈeɪtˈɑːɹmpˈʊl" bˈækstɹoʊkɚz ænd stˈɪl hˈoʊldz ðə wˈɜːld ɹˈɛkɚd ɪn ðɪs tɛknˈiːk.
Oyakawa is considered to be the last of the great "straight-arm-pull" backstrokers and still holds the world record in this technique.