Daniela Rupp/Kevin Wunderlin (Zug, SUI) run at the 2018 WCT Tallinn Mixed Doubles International came to an end in the semifinals with a 9-2 loss to Jenny Perret/Martin Rios (Glarus, SUI). of the 2018 WCT Tallinn Mixed Doubles International in Tallinn, Estonia; Rupp/Wunderlin advanced through the quarterfinals with a 8-4 win over Alina Biktimirova/Timur Gadzhikhanov (Moscow, RUS). of the 2018 WCT Tallinn Mixed Doubles International in Tallinn, Estonia;
 
Rupp/Wunderlin finished 4-1 in the 18-team qualifying round. . In their opening game, Rupp/Wunderlin defeated Irantzu Garcia/Gontzal Garcia (Vitoria-Gasteiz, ESP) 6-3, then won 7-4 against Zuzana Paulova/Tomas Paul (Prague, CZE) and 10-2 against Triin Madisson/Karl Kukner (Tallinn, EST). Rupp/Wunderlin won 7-3 against Biktimirova/Gadzhikhanov. Rupp/Wunderlin went on to lose 11-5 against Aleksandra Bylina/Karol Nowakowski (Krakow, POL) in their final qualifying round match.
 
. For week 6 of the event schedule, Rupp/Wunderlin did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Rupp/Wunderlin ranks th overall on the Year-to-Date rankings with points earned so far this season.