MOSCOW, Russia - Great Britain's Johanna Konta will contest her second semifinal of the season at the VTB Kremlin Cup thanks to a mammoth 6-2, 2-6, 7-6(2) quarterfinal victory over Belarus' Aliaksandra Sasnovich.
The all-unseeded quarterfinal took two hours and 35 minutes to complete, with the final set lasting over an hour after the pair split identical sets.
In the end, the decider saw no breaks of serve, and it was Konta who dominated the tiebreak to the tune of seven of the final eight points after trailing by a mini-break.
"It was a really good battle, and a long one. We were approaching three hours, and I'm really happy to come through that," Konta said after the match.
"Playing a match 7-6 in the third, it literally goes down to the wire...and I'm very pleased to be in the semifinals of the last tournament of the year for me."
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After saving break point in the first game of the match, Konta was never again pressured on serve in the opener, and won the last four games in emphatic fashion to built a one-set lead on the World No.31.
However, the second set proved the inverse of the first as it was Sasnovich who came through a monsterous opening game on the Brit's serve, which saw nine deuces and nine break points in total before she won it.
Sasnovich kept her lead from there, and added a love break in a fifth game which came to start a stretch in which she won nine straight points.
The Brit's clutch play on serve helped her through to her first semifinal since the Aegon International in Nottingham in June, as she saved 14 of the 16 break points she faced in the encounter overall.
Konta will next face Daria Kasatkina, the winner of an all-Russian clash against Anastasia Pavlyuchenkova, for a place in her biggest final since winning the Miami Open last spring.
"I've beaten some very good players and I'm really happy how I was able to compete during each match. It's quite a good achievement at the end of the year," she added.
"Daria is playing great tennis this year. She's played three great matches as well up until now and I'm looking forward to play someone who's playing such great tennis, and to play a fourth consecutive match here."