StarLadder i-League Invitational #4: South America Qualifier
The South America Qualifier consists of eight teams competing for one spot in the StarLadder i-League Invitational #4.
- Eight teams, six invites, two spots from Open Qualifiers. 
- Single elimination bracket
- All matches are Bo3.
- Winner qualifies to the Main Tournament.
SG e-sports withdrew on 1 January 2018, instead opting to play in WESG South American Finals. As a result, a decider match was held for the South American spot at the LAN event between Infamous and Sacred, since paiN Gaming also decided to play in WESG.
- s.perun (2017-12-08). "Welcome new season of SL i-League Dota 2 Invitational". StarLadder. Retrieved 2017-12-08.
- SG e-sports (2018-01-01). "ESCLARECIMENTO" (in Portuguese). Facebook. Retrieved 2018-01-01.
- s.perun (2018-01-05). "Invitational: the lineup of Chinese, Asian and American qualifiers". StarLadder.