Overview
- Carlos Alcaraz beat Brandon Nakashima 6-2, 6-4 in Tokyo, striking 39 winners in 1 hour 20 minutes and facing no break points.
- Nakashima saved three match points on serve before Alcaraz sealed the win with a flurry of winners to extend his run to nine straight semifinals.
- Casper Ruud awaits in the last four after the Norwegian defeated Aleksandar Vukic 6-3, 6-2.
- Alcaraz competed with his left ankle strapped following an opening-round scare yet showed no evident limitation in a controlled performance.
- The other semifinal features Taylor Fritz against Jenson Brooksby after Fritz outlasted Sebastian Korda and Brooksby upset third seed Holger Rune.