Britain's Katie Boulter hits a return to USA's Sofia Kenin during their women's singles semifinal match on day six of the Pan Pacific Open tennis tournament in Tokyo on October 26, 2024. (Photo by Richard A. Brooks / AFP) (Photo by RICHARD A. BROOKS/AFP via Getty Images)

USA's Sofia Kenin hits a return to Britain's Katie Boulter during their women's singles semifinal match on day six of the Pan Pacific Open tennis tournament in Tokyo on October 26, 2024. (Photo by Richard A. Brooks / AFP) (Photo by RICHARD A. BROOKS/AFP via Getty Images)

USA's Sofia Kenin hits a return to Britain's Katie Boulter during their women's singles semifinal match on day six of the Pan Pacific Open tennis tournament in Tokyo on October 26, 2024. (Photo by Richard A. Brooks / AFP) (Photo by RICHARD A. BROOKS/AFP via Getty Images)

Britain's Katie Boulter hits a return to USA's Sofia Kenin during their women's singles semifinal match on day six of the Pan Pacific Open tennis tournament in Tokyo on October 26, 2024. (Photo by Richard A. Brooks / AFP) (Photo by RICHARD A. BROOKS/AFP via Getty Images)

Britain's Katie Boulter hits a return to USA's Sofia Kenin during their women's singles semifinal match on day six of the Pan Pacific Open tennis tournament in Tokyo on October 26, 2024. (Photo by Richard A. Brooks / AFP) (Photo by RICHARD A. BROOKS/AFP via Getty Images)

USA's Sofia Kenin hits a return to Britain's Katie Boulter during their women's singles semifinal match on day six of the Pan Pacific Open tennis tournament in Tokyo on October 26, 2024. (Photo by Richard A. Brooks / AFP) (Photo by RICHARD A. BROOKS/AFP via Getty Images)

USA's Sofia Kenin hits a return to Britain's Katie Boulter during their women's singles semifinal match on day six of the Pan Pacific Open tennis tournament in Tokyo on October 26, 2024. (Photo by Richard A. Brooks / AFP) (Photo by RICHARD A. BROOKS/AFP via Getty Images)

USA's Sofia Kenin celebrates a point against Britain's Katie Boulter during their women's singles semifinal match on day six of the Pan Pacific Open tennis tournament in Tokyo on October 26, 2024. (Photo by Richard A. Brooks / AFP) (Photo by RICHARD A. BROOKS/AFP via Getty Images)