MASON, OHIO - AUGUST 19: Marta Kostyuk of Czechia plays Mirra Andreeva during day nine of the Cincinnati Open at the Lindner Family Tennis Center on August 19, 2026 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)

MASON, OHIO - AUGUST 19: Marta Kostyuk of Czechia returns a shot to Mirra Andreeva during day nine of the Cincinnati Open at the Lindner Family Tennis Center on August 19, 2026 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)

MASON, OHIO - AUGUST 19: Marta Kostyuk of Czechia returns a shot to Mirra Andreeva during day nine of the Cincinnati Open at the Lindner Family Tennis Center on August 19, 2026 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)

MASON, OHIO - AUGUST 19: Marta Kostyuk of Czechia plays Mirra Andreeva during day nine of the Cincinnati Open at the Lindner Family Tennis Center on August 19, 2026 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)

MASON, OHIO - AUGUST 19: Marta Kostyuk of Czechia returns a shot to Mirra Andreeva during day nine of the Cincinnati Open at the Lindner Family Tennis Center on August 19, 2026 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)

MASON, OHIO - AUGUST 19: Marta Kostyuk of Czechia returns a shot to Mirra Andreeva during day nine of the Cincinnati Open at the Lindner Family Tennis Center on August 19, 2026 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)

MASON, OHIO - AUGUST 19: Marta Kostyuk of Czechia celebrates while playing Mirra Andreeva during day nine of the Cincinnati Open at the Lindner Family Tennis Center on August 19, 2026 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)

MASON, OHIO - AUGUST 19: Marta Kostyuk of Czechia returns a shot to Mirra Andreeva during day nine of the Cincinnati Open at the Lindner Family Tennis Center on August 19, 2026 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)