diff --git a/lib/core/models/scoring_task.dart b/lib/core/models/scoring_task.dart
index 6c7c753..7552f98 100644
--- a/lib/core/models/scoring_task.dart
+++ b/lib/core/models/scoring_task.dart
@@ -61,7 +61,12 @@ class ScoringTask {
   final DateTime scheduledAt;
   final PrescribedEntryType prescribedEntryType;
 
-  String get displayOrder => orderNo.toString().padLeft(2, '0');
+  String get displayOrder {
+    final sessionMatch = RegExp(r'第\s*(\d+)\s*场').firstMatch(session);
+    final sessionOrder = int.tryParse(sessionMatch?.group(1) ?? '');
+    return (sessionOrder ?? orderNo).toString().padLeft(2, '0');
+  }
+
   String get venueLabel => '$fieldId-$displayOrder';
 
   Map<String, dynamic> toJson() => {
diff --git a/lib/core/network/api_models.dart b/lib/core/network/api_models.dart
index e87a0e8..59410ce 100644
--- a/lib/core/network/api_models.dart
+++ b/lib/core/network/api_models.dart
@@ -187,6 +187,7 @@ class JudgeEntry {
     required this.sessionEntryId,
     required this.entryNo,
     required this.playOrder,
+    this.sessionOrder = 0,
     required this.participantName,
     required this.groupName,
     required this.entryStatus,
@@ -202,6 +203,7 @@ class JudgeEntry {
   final String sessionEntryId;
   final String entryNo;
   final int playOrder;
+  final int sessionOrder;
   final String participantName;
   final String groupName;
   final int entryStatus;
@@ -217,6 +219,7 @@ class JudgeEntry {
     sessionEntryId: _string(json['sessionEntryId']),
     entryNo: _string(json['entryNo']),
     playOrder: _int(json['playOrder']),
+    sessionOrder: _int(json['sessionOrder']),
     participantName: _string(json['participantName']),
     groupName: _string(json['groupName']),
     entryStatus: _int(json['entryStatus']),
@@ -233,6 +236,7 @@ class JudgeEntry {
     'sessionEntryId': sessionEntryId,
     'entryNo': entryNo,
     'playOrder': playOrder,
+    'sessionOrder': sessionOrder,
     'participantName': participantName,
     'groupName': groupName,
     'entryStatus': entryStatus,
diff --git a/lib/core/network/remote_scoring_adapter.dart b/lib/core/network/remote_scoring_adapter.dart
index a1b9014..048496b 100644
--- a/lib/core/network/remote_scoring_adapter.dart
+++ b/lib/core/network/remote_scoring_adapter.dart
@@ -70,8 +70,10 @@ abstract final class RemoteScoringAdapter {
   ///
   /// [JudgeEntry.playOrder] is the entry order inside an EventSession. The
   /// arrangement order identifies the first business session represented by
-  /// that EventSession, so both values are needed for a stable display number.
+  /// that EventSession. Newer APIs provide [JudgeEntry.sessionOrder] directly
+  /// so rematches can keep the source entry's business session number.
   static int sessionDisplayOrder(JudgeSession session, JudgeEntry entry) {
+    if (entry.sessionOrder > 0) return entry.sessionOrder;
     final playOrder = entry.playOrder > 0 ? entry.playOrder : 1;
     final arrangementOrder = session.arrangementOrder;
     return arrangementOrder > 0 && arrangementOrder < 0x7fffffff
diff --git a/test/api_models_test.dart b/test/api_models_test.dart
index c11022c..3d411fd 100644
--- a/test/api_models_test.dart
+++ b/test/api_models_test.dart
@@ -61,6 +61,7 @@ void main() {
       'sessionEntryId': 201,
       'entryNo': 'A01',
       'playOrder': 1,
+      'sessionOrder': 7,
       'participantName': '跃动一队',
       'groupName': '青年男子组',
       'entryStatus': 30,
@@ -148,6 +149,7 @@ void main() {
 
     expect(session.judgeRoleType, 'DP');
     expect(entry.scoreStatusName, '草稿');
+    expect(entry.sessionOrder, 7);
     expect(sheet.items.single.currentValue, 2);
     expect(sheet.sheetVersion, 2);
     expect(sheet.preview.steps.single.formula, '2×0.34');
diff --git a/test/remote_scoring_adapter_test.dart b/test/remote_scoring_adapter_test.dart
index 3e170bc..331da22 100644
--- a/test/remote_scoring_adapter_test.dart
+++ b/test/remote_scoring_adapter_test.dart
@@ -297,6 +297,37 @@ void main() {
       ),
       '第2场-1号场地',
     );
+
+    const rematchEntry = JudgeEntry(
+      sessionEntryId: 'entry-3',
+      entryNo: '01-R',
+      playOrder: 3,
+      sessionOrder: 1,
+      participantName: '测试队',
+      groupName: '青年组',
+      entryStatus: 0,
+      isRematch: true,
+      scoreStatus: 0,
+      scoreStatusName: '待评分',
+      isDisqualified: false,
+      scoreSheetId: '',
+    );
+
+    expect(
+      RemoteScoringAdapter.sessionDisplayOrder(firstSession, rematchEntry),
+      1,
+    );
+    expect(
+      RemoteScoringAdapter.taskSessionVenueLabel(firstSession, rematchEntry),
+      '第1场-1号场地',
+    );
+    final rematchTask = RemoteScoringAdapter.taskFor(
+      firstSession,
+      rematchEntry,
+      _sheet(role: 'DJ1', roleType: 'DJ'),
+    );
+    expect(rematchTask.orderNo, 3);
+    expect(rematchTask.displayOrder, '01');
   });
 }