[1] In 2007, Novoselov began competing on the ISU Junior Grand Prix (JGP) series with Sabina Imaikina.
[7] They placed fourth at the 2011 Ice Challenge and eighth at the 2012 Russian Championships before winning the 2012 Toruń Cup.
[9] On 16 September 2018 it was announced that Novoselov would compete in pairs with Ksenia Stolbova, who won gold and silver medals at the 2014 Sochi Winter Olympics.
[11] Russia released him to compete for France in exchange for French ice dancer Tiffany Zahorski.
In early April, they competed at the 2016 World Championships in Boston; they qualified to the free skate and finished 16th overall.
In January 2017, they placed 11th in the short program, 13th in the free skate, and 13th overall at the 2017 European Championships in Ostrava, Czech Republic.