Previously, only Evgeny Kafelnikov succeeded in this in 1997 and Nikolai Davydenko in 2008 and 2009.
At the same time, only Davydenko, who won the 2009 tournament, managed to win the decisive match.
In the final of the 2020 Final Tournament, Medvedev will play with Austrian Dominik Thiem.
The match will take place on November 22.
Earlier it was reported that Medvedev beat Rafael Nadal for the first time in his career.