The meeting of Nemkov and Davis will be a rematch of their first fight - in November 2018, the Russian won by a split decision.
In the co-main event of the tournament, ex-ACA champion Dovletdzhan Yagshimuradov and former UFC fighter Corey Anderson will battle for another ticket to the Grand Prix semifinals.
The beginning of the preliminary fights is at 6 pm ET. The main card starts at 9 pm.
The live broadcast of the tournament will be available on the Okko Sport platform.
Main card:
Vadim Nemkov - Phil Davis
Corey Anderson - Dovletjan Yagshimuradov
Paul Daly - Sabah Homasi
Vita Arteaga - Desiree Janis
Preliminary card:
Julius Englikas - Gregory Millard
Julia Badd - Diana Silva
Carl Albrektsson - Viktor Nemkov
Pedro Carvalho - JJ Wilson
Mads Burnell - Sol Rogers
John De Jesus - Alfred Khashakyan
Sean Escher - Steve Moury
Grachik Bozinyan - Demarkus Jackson
Lance Gibson Jr. - Marcus Surin