BIG and Ghost Gaming have been promoted to participate at ESL Pro League Season 6 after outshining their respective opponents in the relegation playoffs with 2-0 scores.
All participants have been decided upon the conclusion of both the European and North American regional relegation matches for ESL Pro League Season 5. Four teams emerged from the relegation matches, two from the ESEA Season 24 EU and NA finals and finally twenty-two were drafted for being in the top eleven of Season 5 league play.
Europe
Following a strong performance BIG were able to secure a spot in ESL Pro League Season 6. The German team was able to overcome fellow compatriots 
PENTA Sports with a two map sweep that saw de_Inferno and de_Cobblestone played out with 16:8 and 19:17 scores on the board, respectively. The team joins the top eleven teams from ESL Pro League Season 5 league play, the Swedes from GODSENT that managed to secure first place at ESEA Premier Season 24 EU and HellRaisers, the very team that knocked BIG into the lower bracket of relegation.
The following teams are confirmed to participate at ESL Pro League EU Season 6:
 Astralis | BIG |
 G2 Esports |  FaZe Clan |
 Natus Vincere | Team LDLC |
| HellRaisers | North |
| Team EnVyUs |  Fnatic |
| Heroic | Mousesports |
| Ninjas in Pyjamas | GODSENT |
North America
As for Ghost Gaming, formerly Bee's Money Crew, the team were able to overcome Team Rush in relegation. After The Foundation were unable to produce a full roster for their elimination match, Ghost Gaming were given the opportunity and they seized it. In a 2-0 map sweep against Team Rush, the team had secured their placement, going 16:3 on de_Train, followed by a closed 16:12 score on de_Overpass. The team is a sensation of sorts, after securing both a placement in ECS Season 3 League play, as well as now securing a placement in ESL Pro League Season 6. The underdogs will be facing off eleven of the top NA teams from ESL Pro League Season 5 league play, Splyce, that managed to secure first at the ESEA Premier Season 24 NA finals and Enigma6 Group who were promoted alongside the team.
Below are all fourteen teams that will participate in the ESL Pro League NA Season 6:
 Cloud9 | NRG Esports |
| compLexity Gaming | OpTic Gaming |
| Counter Logic Gaming |  Renegades |
 Immortals | SK Gaming |
| Team Liquid | Splyce |
| Luminosity Gaming | Enigma6 Group |
| Misfits | Ghost Gaming |
Image courtesy of ESL
