According to preliminary information, players will be able to unlock three skins for season 10 extra time challenges.
We are slowly approaching the end of the 10th season, the players managed to get information on the extra time challenges. There is no exact list of challenges yet, but rewards have already been found according to people searching the game files.
However, this has not been confirmed, so approach it from a distance.
According to the information, three styles of skins and two backpacks can be unlocked.