Casper Ruud defeated Yoshihito Nishioka 7–5, 6–0 at the Shanghai Masters, an ATP Masters 1000 event on hard court in the first round on 6 October 2023. As the pre-match favourite at odds of 1.48, Ruud delivered an emphatic performance, dropping only five games across two sets against Nishioka, who was priced at 2.84. The Norwegian's dominance in the second set, where he conceded a bagel, underscored his control throughout the encounter. Ruud's commanding victory signals strong form heading into the latter stages of the Asian hard-court season.