Nina Summerova/Jan Horacek (Bratislava, SVK) finished 1-4 in the 20 team Oberstdorf International Mixed Doubles Cup qualifying round, held September 4 - 6 in , . In their opening game, Summerova/Horacek lost 8-5 to Jenny Perret/Martin Rios (Glarus, SUI), droppimg another game, 11-2 to Johanna Heldin/Daniel Magnusson (Uppsala, SWE) where Summerova/Horacek responded with a 8-7 win over Aline Fellmann/Chris Kovalchuk (Beaconsfield, QC). Summerova/Horacek went on to lose 6-5 against Oihane Otaegi/Mikel Unanue (San-Sebastian, ESP). Summerova/Horacek lost 9-1 to Almida de Val/Oskar Eriksson (Karlstad, SWE) in their final qualifying round match.
 
. For week 3 of the event schedule, Summerova/Horacek did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Summerova/Horacek ranks th overall on the Year-to-Date rankings with points earned so far this season.