Alina Biktimirova/Timur Gadzhikhanov (Moscow, RUS) qualified for the 2018 WCT Tallinn Mixed Doubles International playoffs, dropping their quarterfinals match 8-4 against Daniela Rupp/Kevin Wunderlin (Zug, SUI). of the 2018 WCT Tallinn Mixed Doubles International in Tallinn, Estonia;
 
Biktimirova/Gadzhikhanov finished 3-2 in the 18-team qualifying round. . In their opening game, Biktimirova/Gadzhikhanov defeated Zuzana Paulova/Tomas Paul (Prague, CZE) 8-4, then went on to lose 9-5 against Triin Madisson/Karl Kukner (Tallinn, EST). Biktimirova/Gadzhikhanov responded with a 7-5 win over Aleksandra Bylina/Karol Nowakowski (Krakow, POL). Biktimirova/Gadzhikhanov went on to lose 7-3 against Rupp/Wunderlin. Biktimirova/Gadzhikhanov responded with a 9-2 win over Irantzu Garcia/Gontzal Garcia (Vitoria-Gasteiz, ESP) in their final qualifying round match.
 
. For week 6 of the event schedule, Biktimirova/Gadzhikhanov did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Biktimirova/Gadzhikhanov ranks th overall on the Year-to-Date rankings with points earned so far this season.