Michelle Gribi/Reto Gribi (Biel, SUI) run at the 2018 WCT Tallinn Masters Mixed Doubles came to an end in the semifinals with a 10-6 loss to Zuzana Hajkova/Tomas Paul (Prague, CZE). of the 2018 WCT Tallinn Masters Mixed Doubles in Tallinn, Estonia; Gribi/Gribi advanced through the quarterfinals with a 11-4 win over Miia Turto/Jari Turto (Hittenharju, FIN). of the 2018 WCT Tallinn Masters Mixed Doubles in Tallinn, Estonia;
 
Gribi/Gribi finished 4-1 in the 18-team qualifying round. . In their opening game, Gribi/Gribi defeated Marcella Tammes/Tarmo Vahesoo (Tallinn, EST) 6-3, then won 9-3 against Jayne Stirling/Fraser Kingan (Aberdeen, SCO) and 10-2 against Erika Tuvike/Kaarel Holm (Tallinn, EST). Gribi/Gribi went on to lose 9-5 against Santa Blumberga/Ritvars Gulbis (Riga, LAT). Gribi/Gribi responded with a 11-4 win over Turto/Turto in their final qualifying round match.
 
. For week 28 of the event schedule, Gribi/Gribi did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Gribi/Gribi ranks th overall on the Year-to-Date rankings with points earned so far this season.