Eva Lys defeated Katie Boulter 6–2, 6–1 in the first round of the WTA 250 Tokyo tournament on hard court, a result that confirmed pre-match odds favouring the Belgian. Lys dominated throughout, dropping only three games across two sets to secure a commanding victory. The scoreline reflects a significant performance gap between the two players in this encounter, with Boulter unable to mount sustained resistance against her opponent's superior court control. The win moves Lys into the second round and suggests strong momentum as she continues her campaign in Tokyo.