Koryttseva made a surprising run to the final of the Sunfeast Open, held in Kolkata, in September 2007.

En route to her appearance in the final, she beat Monique Adamczak, Vania King, who had defeated the No.

1 seed Marion Bartoli in the previous round, Tatiana Poutchek and Anne Keothavong.

On the ITF Circuit, where she has played the majority of her career, she won 7 singles and 20 doubles titles.

In the second round of qualifying for the 2008 Kremlin Cup, Koryttseva beat Anastasia Pivovarova 6–3, 6–7, 7–5 in 3 hours and 55 minutes, making it the third longest match in the Open Era.