CIS Challenger Series is a six week long competition: February 22 – March 28 that features eight teams from CIS. Competitors face each other twice in a best-of-one format. The best four teams qualify for playoffs and a chance to participate at Promotion/Relegation Tournament. CIS CS Finalists will compete against 7th and 8th place LCL teams for two spots at LCL Summer.

Tournament Format:
Double Round Robin, BO1, 4 teams qualify for playoffs



Saturday, March 5th:
Rossia JSA [1:0] Rossia STAR - VOD
Rossia HRA [1:0] Rossia MMR - VOD
Rossia ANOX
 [1:0] Rossia IW - VOD
Rossia GMB
[1:0] Rossia MM - Default win

Sunday, March 6th:
Rossia JSA
[1:0] Rossia MMR - VOD
Rossia IW
[1:0] Rossia MM - VOD
Rossia GMB
[1:0] Rossia STAR - VOD
Rossia HRA
 [1:0] Rossia ANOX - VOD


Tuesday, March 8th:
Rossia MM [1:0] Rossia STAR - VOD
Rossia GMB [1:0] Rossia HRA - VOD

Wednesday, March 9th:
Rossia HRA [1:0] Rossia IW - VOD
Rossia MM [1:0] Rossia ANOX - VOD

Thursday, March 10th:
Rossia MM
[1:0] Rossia MMR
Rossia IW
 [1:0] Rossia JSA
Rossia STAR
 [1:0] Rossia ANOX