TOKYO, JAPAN - OCTOBER 04: Carlos Alcaraz of Spain plays a forehand 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 is seen against Denis Shapovalov of Canada prior to 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 walk into the court against Denis Shapovalov of Canada prior to 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 serves 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 serves 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 plays a forehand 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 serves 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 plays a forehand 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)