In the early morning of February 14, Beijing time, the women's singles final of the WTA500 St. Petersburg station ended the competition, and the top seed Sakari and the no. 2 seed Kontawirt met. The two sides fought fiercely in three sets in this match, and Cantawirt staged a Jedi counterattack after losing the first set, defeating Sakkari 2-1 to win four consecutive indoor hardcourt tournaments.
In the opening set, Kontawitt broke first in the 6th set to take a 4-2 lead. In the 9th set, Sakkari broke her opponent's serve to win the set, and then she saved the serve to make it 5-5. Sakkari broke again in the 11th set, and in the 12th set she saved her serve and won the first set 7-5.
In the second set, Sakkari started with a break to take a 2-0 lead. In the 6th inning, Kontawirt broke and chased the set to a 3-3 draw. After that, both sides saved the serve and the second set was dragged into the seventh set. Inning seven, Kontavette was even better, winning the second set 7-4.
In the decider, Sakkari took the lead in the 2nd set, and in the 5th set she defused 3 break points to stubbornly hold the serve. In the 9th set, Kontawirt broke his opponent's serve to win the championship and then saved the serve to reach 5 draws. In the 11th set, Kontawirt broke again, coming 6-5 to win the championship. In the 12th set, Kontawirt managed to save and win the second set 7-5.
In the end, in a match that took 2 hours and 57 minutes, the no. 2 seed Kontawirt narrowly defeated the top seed Sakari 5-7, 7-6, 7-5 to win the tournament. It was Cantavite's 20th consecutive win and four consecutive titles in indoor hardcourt, and after winning this title, her new world rankings will rise to a career high of 6th place.