diff --git a/sth-backend/src/main/java/hdm/mi/sthbackend/service/TournamentService.java b/sth-backend/src/main/java/hdm/mi/sthbackend/service/TournamentService.java
index de742139ff2544fdeb99d5ffcf2cd8cb04ea36e9..a0540c528a1201feebd4e87cb0a4703965417753 100644
--- a/sth-backend/src/main/java/hdm/mi/sthbackend/service/TournamentService.java
+++ b/sth-backend/src/main/java/hdm/mi/sthbackend/service/TournamentService.java
@@ -5,19 +5,14 @@ import hdm.mi.sthbackend.exeptions.MatchIdNotFoundException;
 import hdm.mi.sthbackend.exeptions.PlayerIdNotFoundException;
 import hdm.mi.sthbackend.exeptions.TeamIdNotFoundException;
 import hdm.mi.sthbackend.exeptions.TournamentIdNotFoundException;
-import hdm.mi.sthbackend.model.Match;
-import hdm.mi.sthbackend.model.Player;
-import hdm.mi.sthbackend.model.Team;
-import hdm.mi.sthbackend.model.Tournament;
+import hdm.mi.sthbackend.model.*;
 import hdm.mi.sthbackend.repository.ITournamentRepository;
 import hdm.mi.sthbackend.repository.MongoManager;
 import lombok.AllArgsConstructor;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.springframework.data.mongodb.core.aggregation.VariableOperators;
 import org.springframework.stereotype.Service;
 
-import javax.swing.text.html.parser.Entity;
 import java.util.*;
 
 @Service
@@ -156,6 +151,21 @@ public class TournamentService {
         return winnerTeamId;
     }
 
+    public void assignTeamToMatch(UUID tournamentId, UUID matchId, UUID teamId, int score) throws TournamentIdNotFoundException, MatchIdNotFoundException {
+        Tournament tournament = tournamentRepository.findById(tournamentId)
+                .orElseThrow(() -> new TournamentIdNotFoundException(tournamentId));
+
+        Match match = tournament.getMatches().stream()
+                .filter(m -> m.getMatchId().equals(matchId))
+                .findFirst()
+                .orElseThrow(() -> new MatchIdNotFoundException(matchId));
+
+
+        match.getTeamScores().put(teamId,score);
+        tournamentRepository.save(tournament);
+        log.debug("Team " + teamId + " assign to Match " + matchId + " in Tournament " + tournamentId);
+    }
+
     /*
     Weitere Methoden:
     Gewinner bestimmen, defineWinner()