With Andrei Maximishin, she is the 2006 Karl Schäfer Memorial silver medalist and won three gold medals in the ISU Junior Grand Prix series.
Platonova and Maximishin placed 5th at 2006 Skate Canada International, their senior Grand Prix debut.
They parted ways due to Platonova's back problem.
[1] After recuperating from her back issues, Platonova teamed up with Alexander Grachev.
They were initially coached by Elena Kustarova and Svetlana Alexeeva in Moscow.