Viktoriya Tomova upset favoured Veronika Kudermetova 7–6, 6–3 in the first round of the WTA 250 Tokyo tournament on hard court on 21 October 2024. Kudermetova, the pre-match favourite at 1.38 odds, was unable to convert her seeding advantage, with Tomova proving the steadier competitor across both sets. The opening set went to a tie-break, where Tomova secured the crucial break, before extending her advantage in the second with a decisive 6–3 scoreline. The upset victory marks a significant result for Tomova in the early stages of the tournament, whilst Kudermetova's unexpected exit raises questions about her form heading into the latter stages of the season.