Nina Polikarpova/Artem Karetnikov (Irkutsk, RUS) won 6-4 over Alina Biktimirova/Timur Gadzhikhanov (Moscow, RUS) in the Final of the International Mixed Doubles Sochi 2, held February 28 - March 3, 2019 in Sochi, Russia. To advance to the championship game, Polikarpova/Karetnikov won 9-6 over Ildiko Szekeres/Gyorgy Nagy (Budapest, HUN) in the semifinals of the 2019 International Mixed Doubles Sochi 2 in Sochi, Russia; and won 9-7 over Johanna Heldin/Kristian Lindstroem (Uppsala, SWE) in the quarterfinals. of the 2019 International Mixed Doubles Sochi 2 in Sochi, Russia;
 
Polikarpova/Karetnikov finished 4-1 in the 24-team qualifying round. . In their opening game, Polikarpova/Karetnikov lost 12-2 to Marie Turmann/Harri Lill (Tallinn, EST), then responded with a 6-4 win over Ksenia Strelkova/Roman Zhukovsky (Moscow, RUS). Polikarpova/Karetnikov won 8-4 against Anna Fowler/Ben Fowler (London, ENG), then won 7-4 against Anastasia Eksuzian/Sergei Magaryan (Sochi, RUS) and 7-6 against Nkeiruka Ezekh/Dmitry Mironov (Moscow, RUS) in their final qualifying round match.
 
. For week 29 of the event schedule, Polikarpova/Karetnikov did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Polikarpova/Karetnikov ranks th overall on the Year-to-Date rankings with points earned so far this season.