[3] Bartosz Zmarzlik was the defending champion, having won the 2019 Speedway Grand Prix series, and he successfully retained his title in 2020 by winning four of the eight rounds.

Maciej Janowski, Leon Madsen and Jason Doyle completed the top six, thus earning places in the 2021 series.

For the 2020 season there were 15 permanent riders, who were joined at each Grand Prix by one wild card and two track reserves.

[5] •Michelsen was handed a spot after initial wildcard pick Greg Hancock announced his retirement from the sport and first reserve Martin Smolinski withdrew due to injury.

[8] On July 29 a final revised calendar was published by the organisers of the series, with a total of 8 rounds; 6 in Poland and 2 in the Czech Republic.