diff --git a/CommonCore/SQL/src/de/steamwar/sql/EventFight.java b/CommonCore/SQL/src/de/steamwar/sql/EventFight.java
index fe91e3be..c595149b 100644
--- a/CommonCore/SQL/src/de/steamwar/sql/EventFight.java
+++ b/CommonCore/SQL/src/de/steamwar/sql/EventFight.java
@@ -37,6 +37,7 @@ public class EventFight implements Comparable<EventFight> {
 
     private static final Table<EventFight> table = new Table<>(EventFight.class);
     private static final SelectStatement<EventFight> byId = table.select(Table.PRIMARY);
+    private static final SelectStatement<EventFight> byGroup = new SelectStatement<EventFight>(table, "SELECT * FROM EventFight WHERE GroupID = ? ORDER BY StartTime ASC");
     private static final SelectStatement<EventFight> allComing = new SelectStatement<>(table, "SELECT * FROM EventFight WHERE StartTime > now() ORDER BY StartTime ASC");
     private static final SelectStatement<EventFight> event = new SelectStatement<>(table, "SELECT * FROM EventFight WHERE EventID = ? ORDER BY StartTime ASC");
     private static final Statement reschedule = table.update(Table.PRIMARY, "StartTime");
@@ -54,6 +55,10 @@ public class EventFight implements Comparable<EventFight> {
         return byId.select(fightID);
     }
 
+    public static List<EventFight> get(EventGroup group) {
+        return byGroup.listSelect(group.getId());
+    }
+
     public static void loadAllComingFights() {
         fights.clear();
         fights.addAll(allComing.listSelect());
@@ -75,6 +80,10 @@ public class EventFight implements Comparable<EventFight> {
     private final int fightID;
     @Getter
     @Setter
+    @Field(nullable = true, def = "null")
+    private Integer groupId;
+    @Getter
+    @Setter
     @Field
     private Timestamp startTime;
     @Getter
@@ -98,11 +107,25 @@ public class EventFight implements Comparable<EventFight> {
     @Field(nullable = true)
     private Integer spectatePort;
     @Getter
+    @Setter
+    @Field(def = "1")
+    private int bestOf;
+    @Getter
     @Field(def = "0")
     private int ergebnis;
     @Field(nullable = true)
     private int fight;
 
+    public Optional<EventGroup> getGroup() {
+        return Optional.ofNullable(groupId).flatMap(EventGroup::get);
+    }
+
+    public Optional<Team> getWinner() {
+        if(ergebnis == 0)
+            return Optional.empty();
+        return Optional.ofNullable(ergebnis == 1 ? Team.get(teamBlue) : Team.get(teamRed));
+    }
+
     public void setErgebnis(int winner) {
         this.ergebnis = winner;
         setResult.update(winner, fightID);
diff --git a/CommonCore/SQL/src/de/steamwar/sql/EventGroup.java b/CommonCore/SQL/src/de/steamwar/sql/EventGroup.java
new file mode 100644
index 00000000..3ea62738
--- /dev/null
+++ b/CommonCore/SQL/src/de/steamwar/sql/EventGroup.java
@@ -0,0 +1,117 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.SqlTypeMapper;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+@AllArgsConstructor
+@Getter
+@Setter
+public class EventGroup {
+    static {
+        SqlTypeMapper.ordinalEnumMapper(EventGroupType.class);
+    }
+
+    private static final Table<EventGroup> table = new Table<>(EventGroup.class);
+
+    private static final SelectStatement<EventGroup> get = table.select(Table.PRIMARY);
+    private static final SelectStatement<EventGroup> byEvent = new SelectStatement<>(table, "SELECT * FROM EventGroup WHERE EventID = ?");
+
+    public static List<EventGroup> get(Event eventID) {
+        return byEvent.listSelect(eventID);
+    }
+
+    public static Optional<EventGroup> get(int id) {
+        return Optional.ofNullable(get.select(id));
+    }
+
+    @Field(keys = Table.PRIMARY)
+    private final int id;
+
+    @Field
+    private String name;
+
+    @Field
+    private EventGroupType type;
+
+    @Field
+    private int pointsPerWin;
+
+    @Field
+    private int pointsPerLoss;
+
+    @Field
+    private int pointsPerDraw;
+
+    public List<EventFight> getFights() {
+        return EventFight.get(this);
+    }
+
+    public Map<Team, Integer> calculatePoints() {
+        Map<Integer, Team> teams = new HashMap<>();
+        Map<Team, Integer> points = new HashMap<>();
+
+        for(EventFight fight : getFights()) {
+            int blueTeamAdd = 0;
+            int redTeamAdd = 0;
+
+            switch (fight.getErgebnis()) {
+                case 1:
+                    blueTeamAdd += pointsPerWin;
+                    redTeamAdd += pointsPerLoss;
+                    break;
+                case 2:
+                    blueTeamAdd += pointsPerLoss;
+                    redTeamAdd += pointsPerWin;
+                    break;
+                case 0:
+                    if (fight.getFightID() != 0) {
+                        blueTeamAdd += pointsPerDraw;
+                        redTeamAdd += pointsPerDraw;
+                    }
+                    break;
+            }
+
+            Team blueTeam = teams.computeIfAbsent(fight.getTeamBlue(), Team::get);
+            Team redTeam = teams.computeIfAbsent(fight.getTeamRed(), Team::get);
+
+            points.put(blueTeam, points.getOrDefault(blueTeam, 0) + blueTeamAdd);
+            points.put(redTeam, points.getOrDefault(redTeam, 0) + redTeamAdd);
+        }
+
+        return points;
+    }
+
+    public static enum EventGroupType {
+        GROUP_STAGE,
+        ELIMINATION_STAGE
+    }
+}
diff --git a/CommonCore/SQL/src/de/steamwar/sql/EventRelation.java b/CommonCore/SQL/src/de/steamwar/sql/EventRelation.java
new file mode 100644
index 00000000..1c154d56
--- /dev/null
+++ b/CommonCore/SQL/src/de/steamwar/sql/EventRelation.java
@@ -0,0 +1,133 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SqlTypeMapper;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.Map;
+import java.util.Optional;
+
+@AllArgsConstructor
+@Getter
+@Setter
+public class EventRelation {
+
+    static {
+        SqlTypeMapper.ordinalEnumMapper(FightTeam.class);
+        SqlTypeMapper.ordinalEnumMapper(FromType.class);
+    }
+
+    private static final Table<EventRelation> table = new Table<>(EventRelation.class);
+
+    @Field(keys = Table.PRIMARY)
+    private final int id;
+
+    @Field
+    private int fightId;
+
+    @Field
+    private FightTeam fightTeam;
+
+    @Field
+    private FromType fromType;
+
+    @Field
+    private int fromId;
+
+    @Field
+    private int fromPlace;
+
+    public EventFight getFight() {
+        return EventFight.get(fightId);
+    }
+
+    public Optional<EventFight> getFromFight() {
+        if(fromType == FromType.FIGHT) {
+            return Optional.of(EventFight.get(fromId));
+        } else {
+            return Optional.empty();
+        }
+    }
+
+    public Optional<EventGroup> getFromGroup() {
+        if(fromType == FromType.GROUP) {
+            return EventGroup.get(fromId);
+        } else {
+            return Optional.empty();
+        }
+    }
+
+    public Optional<Team> getAdvancingTeam() {
+        if (fromType == FromType.FIGHT) {
+            return getFromFight().flatMap(EventFight::getWinner);
+        } else if (fromType == FromType.GROUP) {
+            return getFromGroup().map(EventGroup::calculatePoints)
+                    .flatMap(points -> points.entrySet().stream()
+                            .max(Map.Entry.comparingByValue())
+                            .map(Map.Entry::getKey));
+        } else {
+            return Optional.empty();
+        }
+    }
+
+    public boolean apply() {
+        Optional<Integer> team = getAdvancingTeam().map(Team::getTeamId);
+        if(!team.isPresent())
+            return false;
+
+        EventFight fight = getFight();
+        if(fightTeam == FightTeam.RED) {
+            fight.update(
+                    fight.getStartTime(),
+                    fight.getSpielmodus(),
+                    fight.getMap(),
+                    team.get(),
+                    fight.getTeamBlue(),
+                    fight.getSpectatePort()
+            );
+        } else {
+            fight.update(
+                    fight.getStartTime(),
+                    fight.getSpielmodus(),
+                    fight.getMap(),
+                    fight.getTeamRed(),
+                    team.get(),
+                    fight.getSpectatePort()
+            );
+        }
+
+        return true;
+    }
+
+    public static enum FightTeam {
+        RED,
+        BLUE
+    }
+
+    public static enum FromType {
+        FIGHT,
+        GROUP
+    }
+}