Su Wei Hsieh defeated Risa Ozaki 6–1, 3–6, 6–3 in the first round of the WTA 250 event in Hiroshima on hard court. Hsieh, the heavy favourite at odds of 1.07, recovered from dropping the second set to secure victory in three. Ozaki, a 11.07 outsider, mounted a brief challenge by taking the middle set but could not sustain the momentum against her more experienced opponent. The result affirmed Hsieh's status as the tournament's top seed and her progression to the second round.