Jaqueline Cristian defeated Alina Charaeva 6–2, 6–3 in the first round of the WTA 250 Tokyo tournament on a hard court. As the pre-match favourite, Cristian delivered an expected performance, converting her odds of 1.27 to advance with a commanding display. Charaeva, who entered at 4.11, struggled to find rhythm against her opponent's consistent play across both sets. Cristian's straightforward victory positions her favourably in the early stages of the tournament, whilst Charaeva exits at the opening hurdle.