TOKYO, JAPAN - OCTOBER 04: Carlos Alcaraz of Spain signs autographs after the Men's singles quarterfinal match on day four of Kinoshita Group Japan Open at Ariake Tennis Park on October 04, 2026 in Tokyo, Japan. (Photo by Kenta Harada/Getty Images)

TOKYO, JAPAN - OCTOBER 04: Carlos Alcaraz of Spain signs autographs after the Men's singles quarterfinal match on day four of Kinoshita Group Japan Open at Ariake Tennis Park on October 04, 2026 in Tokyo, Japan. (Photo by Kenta Harada/Getty Images)

TOKYO, JAPAN - OCTOBER 04: Carlos Alcaraz of Spain is seen after the Men's singles quarterfinal match on day four of Kinoshita Group Japan Open at Ariake Tennis Park on October 04, 2026 in Tokyo, Japan. (Photo by Kenta Harada/Getty Images)

TOKYO, JAPAN - OCTOBER 04: Carlos Alcaraz of Spain signs autographs after the Men's singles quarterfinal match on day four of Kinoshita Group Japan Open at Ariake Tennis Park on October 04, 2026 in Tokyo, Japan. (Photo by Kenta Harada/Getty Images)

TOKYO, JAPAN - OCTOBER 04: Denis Shapovalov of Canada plays a backhand against Carlos Alcaraz of Spain during their Men's singles quarterfinal match on day four of Kinoshita Group Japan Open at Ariake Tennis Park on October 04, 2026 in Tokyo, Japan. (Photo by Kenta Harada/Getty Images)

TOKYO, JAPAN - OCTOBER 04: Denis Shapovalov of Canada plays a backhand against Carlos Alcaraz of Spain during their Men's singles quarterfinal match on day four of Kinoshita Group Japan Open at Ariake Tennis Park on October 04, 2026 in Tokyo, Japan. (Photo by Kenta Harada/Getty Images)

TOKYO, JAPAN - OCTOBER 04: Carlos Alcaraz of Spain celebrates a point against Denis Shapovalov of Canada during their Men's singles quarterfinal match on day four of Kinoshita Group Japan Open at Ariake Tennis Park on October 04, 2026 in Tokyo, Japan. (Photo by Kenta Harada/Getty Images)

TOKYO, JAPAN - OCTOBER 04: Carlos Alcaraz of Spain celebrates a point against Denis Shapovalov of Canada during their Men's singles quarterfinal match on day four of Kinoshita Group Japan Open at Ariake Tennis Park on October 04, 2026 in Tokyo, Japan. (Photo by Kenta Harada/Getty Images)