Kammala jumlar da ke gaba: Osaka ta fara gasar cin kofin Hopman a
2018 tare da Yūichi Sugita. Kasar Japan ce ta fara fitowa a gasar tun shekara ta 2001. An haɗa su tare da Switzerland, Amurka, da Rasha, kuma sun rasa dukkan alaƙarsu. Nasarar wasan Osaka kawai ta zo ne a wasan mutum ɗaya da Rasha Anastasia Pavlyuchenkova. Ta kuma sami babban abin birgewa a wasan hada-hadar da aka yi da Switzerland lokacin da ta yi aiki da ace ta wuce Roger Federer.