In ConfigureTournament(). Levels are semicolon-separated map names (comment warns s1338_pandora_anomaly is buggy, it is excluded); battleRank 17 is max rank; gamemode 12 is TDM; teamSize 8; gameInterval is ms between game creations. 

-- Tournament levels/maps. (type: string)
-- ;s1338_pandora_anomaly is buggy
cvars.tournament_levels = "s1338_devilsjaw;s1338_pandora_dreadnwreck;s1340_thar_aliendebris13;s1420_ceres3_asteroidcity;s1420_ceres3_northmsite;s8256_thar_barrierdebris;s8256_thar_lavastone;s8256_thar_threshold;desttown"
-- Tournament battle rank. (type: integer)
cvars.tournament_battleRank = 17
-- Tournament game mode (12 = TDM). (type: integer)
cvars.tournament_gamemode = 12
-- Maximum team size. (type: integer)
cvars.tournament_teamSize = 8
-- Interval between game creations in ms. (type: integer; range: 50..10000)
cvars.tournament_gameInterval = 2000
-- Team-name offset for the UI string table. (type: integer)
cvars.tournament_idOffset = 0
Mode IDs come from the mm_defaultGameplay list (e.g. 4 control, 9 sentinel). Only add proven PvP maps; never _ow zones.
Additional Notes: 

s1338_pandora_anomaly is buggy for tournaments.

Comments

1 + 1 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.