Kammala jumla mai zuwa: Kavaguti / Smirnov sun fara kakar 2015 <unk> 16 tare da zinare a wani taron Series na Challenger, Ornament na Mordovian na 2015, sannan kuma zinare a farkon aikin Grand Prix na kakar, Kofin China na 2015, inda suka damu da gidan gida Wenjing Sui / Han Cong. Sun kafa mafi kyawun ƙimar gabaɗaya na maki 216.00 kuma sun sauka sau biyu a cikin jirgin sama kyauta a China. A gasar GP ta gaba, gasar cin kofin Rostelecom ta 2015, sun lashe lambar azurfa a bayan abokan wasan Ksenia Stolbova / Fedor Klimov kuma sun cancanci zuwa wasan karshe na Grand Prix na 2015-16. A watan Disamba, sun lashe lambar tagulla a gasar GP ta karshe a Barcelona bayan sun kasance na biyu a cikin gajeren lokaci da na uku a cikin kyauta. A karshen watan, sun dauki azurfa a
Gasar Rasha ta 2016 bayan ta kasance ta biyu a bangarorin biyu. A ranar 20 ga Janairu, 2016, Kavaguti ya sami rauni a cikin motsa jiki, wanda ya haifar da janyewar ma'auratan daga Gasar Zakarun Turai ta 2016.