diff --git a/utama_core/custom_referee/profiles/gerf.yaml b/utama_core/custom_referee/profiles/gerf.yaml
new file mode 100644
index 00000000..c79c100f
--- /dev/null
+++ b/utama_core/custom_referee/profiles/gerf.yaml
@@ -0,0 +1,31 @@
+profile_name: "gerf"
+rules:
+  goal_detection:
+    enabled: true
+    cooldown_seconds: 1.0
+  out_of_bounds:
+    enabled: true
+    free_kick_assigner: "last_touch"
+  defense_area:
+    enabled: false
+    max_defenders: 1
+    attacker_infringement: true
+  keep_out:
+    enabled: false
+    radius_meters: 0.3
+    violation_persistence_frames: 30
+game:
+  half_duration_seconds: 300.0
+  kickoff_team: "yellow"
+  force_start_after_goal: true
+  stop_duration_seconds: 3.0
+  prepare_duration_seconds: 3.0
+  kickoff_timeout_seconds: 10.0
+  auto_advance:
+    stop_to_next_command: false
+    prepare_kickoff_to_normal: false
+    prepare_penalty_to_normal: false
+    direct_free_to_normal: false
+    ball_placement_to_next: false       # human places ball; operator presses FORCE_START manually
+    normal_start_to_force: true         # auto-force if kickoff stalls
+    # ball_obscured_recovery: true      # uncomment after feat/ball-obscured-recovery is merged