Wozniacki ends Radwanska reign to reach Tokyo final

Tennis - Pan Pacific Open Women's Singles Semifinal match - Ariake Coliseum, Tokyo, Japan - 24/09/16. Caroline Wozniacki of Denmark returns a ball to Agnieszka Radwanska of Poland. REUTERS/Kim Kyung-Hoon

TOKYO (Reuters) - Caroline Wozniacki outlasted Agnieszka Radwanska 4-6 7-5 6-4 in a dog fight of a semi-final at the Pan Pacific Open on Saturday to end the Pole's reign at the Ariake Coliseum.

The former world number one prevailed in two hours and 50 minutes of hard-fought tennis and will meet local wildcard Naomi Osaka or Ukraine's Elina Svitolina in Sunday's final.