Katie Boulter reaches the quarterfinals of the Toray Pan Pacific Open in Tokyo

Boulter is trying to finish a season through which she gained two WTA titles with a flourish and has reached her first quarter-final since Eastbourne in June.

A scientific win over Okamura units up an intriguing conflict with Canadian wildcard Bianca Andreescu.

Andreescu, 24, gained the 2019 US Open as a junior however has been stricken by damage issues since then.

“Bianca is an incredible fighter, she’s gained a Grand Slam and he or she’s taking part in nice tennis,” mentioned Boulter, who’s unranked and will return to the highest 30 this week.

“It is a free swing for me on the finish of the yr and I’ve nothing to lose.”

Boulter is seeded ninth on the WTA 500 occasion within the Japanese capital, whereas China’s Zheng Qinwen, Russia’s Daria Kasatkina, Diana Shnaider and Canada’s Leylah Fernandez left the draw as top-ranked gamers.