MASON, OHIO - AUGUST 14: Marin Čilić of Croatia plays a backhand during their match against Daniel Merida of Spain during day four of the Cincinnati Open at the Lindner Family Tennis Center on August 14, 2026 in Mason, Ohio. (Photo by Dylan Buell/Getty Images)

MASON, OHIO - AUGUST 14: Marin Čilić of Croatia plays a backhand during their match against Daniel Merida of Spain during day four of the Cincinnati Open at the Lindner Family Tennis Center on August 14, 2026 in Mason, Ohio. (Photo by Dylan Buell/Getty Images)

MASON, OHIO - AUGUST 14: Marin Čilić of Croatia plays a backhand during their match against Daniel Merida of Spain during day four of the Cincinnati Open at the Lindner Family Tennis Center on August 14, 2026 in Mason, Ohio. (Photo by Dylan Buell/Getty Images)

MASON, OHIO - AUGUST 14: Marin Čilić of Croatia plays a backhand during their match against Daniel Merida of Spain during day four of the Cincinnati Open at the Lindner Family Tennis Center on August 14, 2026 in Mason, Ohio. (Photo by Dylan Buell/Getty Images)

MASON, OHIO - AUGUST 14: Marin Čilić of Croatia plays a forehand during their match against Daniel Merida of Spain during day four of the Cincinnati Open at the Lindner Family Tennis Center on August 14, 2026 in Mason, Ohio. (Photo by Dylan Buell/Getty Images)

MASON, OHIO - AUGUST 14: Marin Čilić of Croatia plays a backhand during their match against Daniel Merida of Spain during day four of the Cincinnati Open at the Lindner Family Tennis Center on August 14, 2026 in Mason, Ohio. (Photo by Dylan Buell/Getty Images)

MASON, OHIO - AUGUST 14: Marin Čilić of Croatia plays a forehand during their match against Daniel Merida of Spain during day four of the Cincinnati Open at the Lindner Family Tennis Center on August 14, 2026 in Mason, Ohio. (Photo by Dylan Buell/Getty Images)

MASON, OHIO - AUGUST 14: Marin Čilić of Croatia reacts after winning a point during their match against Daniel Merida of Spain during day four of the Cincinnati Open at the Lindner Family Tennis Center on August 14, 2026 in Mason, Ohio. (Photo by Dylan Buell/Getty Images)