Leylah Fernandez defeated Varvara Gracheva 6–0, 3–6, 7–5 in the round of 16 at the WTA 250 event in Tokyo on hard court, confirming her status as pre-match favourite with odds of 1.3 to Gracheva's 3.82. Fernandez dominated the opening set with a bagel, but Gracheva mounted a response in the second to level the match. The decider proved competitive, with Fernandez prevailing in a tight third set to secure her place in the quarter-finals. The Canadian's ability to recover from a dropped set and close out the match under pressure demonstrates her mental resilience on the hard-court surface.