diff --git a/handyrl/evaluation.py b/handyrl/evaluation.py
index 2d391bc..45c4d22 100755
--- a/handyrl/evaluation.py
+++ b/handyrl/evaluation.py
@@ -106,7 +106,7 @@ def exec_match(env, agents, critic=None, show=False, game_args={}):
     outcome = env.outcome()
     if show:
         print('final outcome = %s' % outcome)
-    return outcome
+    return {'result': outcome}
 
 
 def exec_network_match(env, network_agents, critic=None, show=False, game_args={}):
@@ -138,7 +138,7 @@ def exec_network_match(env, network_agents, critic=None, show=False, game_args={
     outcome = env.outcome()
     for p, agent in network_agents.items():
         agent.outcome(outcome[p])
-    return outcome
+    return {'result': outcome}
 
 
 def build_agent(raw, env=None):
@@ -170,11 +170,11 @@ def execute(self, models, args):
             else:
                 agents[p] = Agent(model)
 
-        outcome = exec_match(self.env, agents)
-        if outcome is None:
+        results = exec_match(self.env, agents)
+        if results is None:
             print('None episode in evaluation!')
             return None
-        return {'args': args, 'result': outcome, 'opponent': opponent}
+        return {'args': args, 'opponent': opponent, **results}
 
 
 def wp_func(results):
@@ -196,10 +196,10 @@ def eval_process_mp_child(agents, critic, env_args, index, in_queue, out_queue,
         print('*** Game %d ***' % g)
         agent_map = {env.players()[p]: agents[ai] for p, ai in enumerate(agent_ids)}
         if isinstance(list(agent_map.values())[0], NetworkAgent):
-            outcome = exec_network_match(env, agent_map, critic, show=show, game_args=game_args)
+            results = exec_network_match(env, agent_map, critic, show=show, game_args=game_args)
         else:
-            outcome = exec_match(env, agent_map, critic, show=show, game_args=game_args)
-        out_queue.put((pat_idx, agent_ids, outcome))
+            results = exec_match(env, agent_map, critic, show=show, game_args=game_args)
+        out_queue.put((pat_idx, agent_ids, results))
     out_queue.put(None)
 
 
@@ -246,7 +246,8 @@ def evaluate_mp(env, agents, critic, env_args, args_patterns, num_process, num_g
         if ret is None:
             finished_cnt += 1
             continue
-        pat_idx, agent_ids, outcome = ret
+        pat_idx, agent_ids, results = ret
+        outcome = results.get('result')
         if outcome is not None:
             for idx, p in enumerate(env.players()):
                 agent_id = agent_ids[idx]