diff --git a/test/db_tests/score_test.dart b/test/db_tests/score_test.dart
new file mode 100644
index 0000000..4f6aa99
--- /dev/null
+++ b/test/db_tests/score_test.dart
@@ -0,0 +1,417 @@
+import 'package:clock/clock.dart';
+import 'package:drift/drift.dart' hide isNull, isNotNull;
+import 'package:drift/native.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:game_tracker/data/db/database.dart';
+import 'package:game_tracker/data/dto/game.dart';
+import 'package:game_tracker/data/dto/match.dart';
+import 'package:game_tracker/data/dto/player.dart';
+
+void main() {
+  late AppDatabase database;
+  late Player testPlayer1;
+  late Player testPlayer2;
+  late Player testPlayer3;
+  late Game testGame;
+  late Match testMatch1;
+  late Match testMatch2;
+  final fixedDate = DateTime(2025, 19, 11, 00, 11, 23);
+  final fakeClock = Clock(() => fixedDate);
+
+  setUp(() async {
+    database = AppDatabase(
+      DatabaseConnection(
+        NativeDatabase.memory(),
+        // Recommended for widget tests to avoid test errors.
+        closeStreamsSynchronously: true,
+      ),
+    );
+
+    withClock(fakeClock, () {
+      testPlayer1 = Player(name: 'Alice');
+      testPlayer2 = Player(name: 'Bob');
+      testPlayer3 = Player(name: 'Charlie');
+      testGame = Game(name: 'Test Game');
+      testMatch1 = Match(
+        name: 'Test Match 1',
+        game: testGame,
+        players: [testPlayer1, testPlayer2],
+      );
+      testMatch2 = Match(
+        name: 'Test Match 2',
+        game: testGame,
+        players: [testPlayer2, testPlayer3],
+      );
+    });
+
+    await database.playerDao.addPlayersAsList(
+      players: [testPlayer1, testPlayer2, testPlayer3],
+    );
+    await database.gameDao.addGame(game: testGame);
+    await database.matchDao.addMatch(match: testMatch1);
+    await database.matchDao.addMatch(match: testMatch2);
+  });
+
+  tearDown(() async {
+    await database.close();
+  });
+
+  group('Score Tests', () {
+    test('Adding and fetching a score works correctly', () async {
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 10,
+        change: 10,
+      );
+
+      final score = await database.scoreDao.getScoreForRound(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+      );
+
+      expect(score, isNotNull);
+      expect(score!.playerId, testPlayer1.id);
+      expect(score.matchId, testMatch1.id);
+      expect(score.roundNumber, 1);
+      expect(score.score, 10);
+      expect(score.change, 10);
+    });
+
+    test('Getting scores for a match works correctly', () async {
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 10,
+        change: 10,
+      );
+      await database.scoreDao.addScore(
+        playerId: testPlayer2.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 20,
+        change: 20,
+      );
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 2,
+        score: 25,
+        change: 15,
+      );
+
+      final scores = await database.scoreDao.getScoresForMatch(
+        matchId: testMatch1.id,
+      );
+
+      expect(scores.length, 3);
+    });
+
+    test('Getting player scores in a match works correctly', () async {
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 10,
+        change: 10,
+      );
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 2,
+        score: 25,
+        change: 15,
+      );
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 3,
+        score: 30,
+        change: 5,
+      );
+
+      final playerScores = await database.scoreDao.getPlayerScoresInMatch(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+      );
+
+      expect(playerScores.length, 3);
+      expect(playerScores[0].roundNumber, 1);
+      expect(playerScores[1].roundNumber, 2);
+      expect(playerScores[2].roundNumber, 3);
+      expect(playerScores[0].score, 10);
+      expect(playerScores[1].score, 25);
+      expect(playerScores[2].score, 30);
+    });
+
+    test('Getting score for a non-existent round returns null', () async {
+      final score = await database.scoreDao.getScoreForRound(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 999,
+      );
+
+      expect(score, isNull);
+    });
+
+    test('Updating a score works correctly', () async {
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 10,
+        change: 10,
+      );
+
+      final updated = await database.scoreDao.updateScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        newScore: 50,
+        newChange: 40,
+      );
+
+      expect(updated, true);
+
+      final score = await database.scoreDao.getScoreForRound(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+      );
+
+      expect(score, isNotNull);
+      expect(score!.score, 50);
+      expect(score.change, 40);
+    });
+
+    test('Updating a non-existent score returns false', () async {
+      final updated = await database.scoreDao.updateScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 999,
+        newScore: 50,
+        newChange: 40,
+      );
+
+      expect(updated, false);
+    });
+
+    test('Deleting a score works correctly', () async {
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 10,
+        change: 10,
+      );
+
+      final deleted = await database.scoreDao.deleteScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+      );
+
+      expect(deleted, true);
+
+      final score = await database.scoreDao.getScoreForRound(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+      );
+
+      expect(score, isNull);
+    });
+
+    test('Deleting a non-existent score returns false', () async {
+      final deleted = await database.scoreDao.deleteScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 999,
+      );
+
+      expect(deleted, false);
+    });
+
+    test('Deleting scores for a match works correctly', () async {
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 10,
+        change: 10,
+      );
+      await database.scoreDao.addScore(
+        playerId: testPlayer2.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 20,
+        change: 20,
+      );
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch2.id,
+        roundNumber: 1,
+        score: 15,
+        change: 15,
+      );
+
+      final deleted = await database.scoreDao.deleteScoresForMatch(
+        matchId: testMatch1.id,
+      );
+
+      expect(deleted, true);
+
+      final match1Scores = await database.scoreDao.getScoresForMatch(
+        matchId: testMatch1.id,
+      );
+      expect(match1Scores.length, 0);
+
+      final match2Scores = await database.scoreDao.getScoresForMatch(
+        matchId: testMatch2.id,
+      );
+      expect(match2Scores.length, 1);
+    });
+
+    test('Deleting scores for a player works correctly', () async {
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 10,
+        change: 10,
+      );
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch2.id,
+        roundNumber: 1,
+        score: 15,
+        change: 15,
+      );
+      await database.scoreDao.addScore(
+        playerId: testPlayer2.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 20,
+        change: 20,
+      );
+
+      final deleted = await database.scoreDao.deleteScoresForPlayer(
+        playerId: testPlayer1.id,
+      );
+
+      expect(deleted, true);
+
+      final player1Scores = await database.scoreDao.getPlayerScoresInMatch(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+      );
+      expect(player1Scores.length, 0);
+
+      final player2Scores = await database.scoreDao.getPlayerScoresInMatch(
+        playerId: testPlayer2.id,
+        matchId: testMatch1.id,
+      );
+      expect(player2Scores.length, 1);
+    });
+
+    test('Getting latest round number works correctly', () async {
+      var latestRound = await database.scoreDao.getLatestRoundNumber(
+        matchId: testMatch1.id,
+      );
+      expect(latestRound, 0);
+
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 10,
+        change: 10,
+      );
+
+      latestRound = await database.scoreDao.getLatestRoundNumber(
+        matchId: testMatch1.id,
+      );
+      expect(latestRound, 1);
+
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 5,
+        score: 50,
+        change: 40,
+      );
+
+      latestRound = await database.scoreDao.getLatestRoundNumber(
+        matchId: testMatch1.id,
+      );
+      expect(latestRound, 5);
+    });
+
+    test('Getting total score for a player works correctly', () async {
+      var totalScore = await database.scoreDao.getTotalScoreForPlayer(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+      );
+      expect(totalScore, 0);
+
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 10,
+        change: 10,
+      );
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 2,
+        score: 25,
+        change: 15,
+      );
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 3,
+        score: 40,
+        change: 15,
+      );
+
+      totalScore = await database.scoreDao.getTotalScoreForPlayer(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+      );
+      expect(totalScore, 40);
+    });
+
+    test('Adding the same score twice replaces the existing one', () async {
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 10,
+        change: 10,
+      );
+      await database.scoreDao.addScore(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+        score: 99,
+        change: 99,
+      );
+
+      final score = await database.scoreDao.getScoreForRound(
+        playerId: testPlayer1.id,
+        matchId: testMatch1.id,
+        roundNumber: 1,
+      );
+
+      expect(score, isNotNull);
+      expect(score!.score, 99);
+      expect(score.change, 99);
+    });
+  });
+}
+