ISU GP Rostelecom Cup 2017 The first event of the series this year is the Rostelecom Cup in Moscow (RUS), October 20 to 22. World and Olympic Champion Yuzuru Hanyu will start his season there and will face Four Continents Champion Nathan Chen (USA). Two-time World Champion Evgenia Medvedeva (RUS) will meet five-time European Champion Carolina Kostner (ITA), who returns to the Grand Prix series after not competing in it in the past three seasons. The event also features Maia Shibutani/Alex S