diff --git a/lib/core/rsync_filter.dart b/lib/core/rsync_filter.dart
index 49f7208..a1ef1a0 100644
--- a/lib/core/rsync_filter.dart
+++ b/lib/core/rsync_filter.dart
@@ -165,8 +165,9 @@ class RsyncFilterRule {
           while (i + 1 < p.length && p[i + 1] == '*') {
             i++;
           }
-          // rsync wildmatch: "**/" 는 폴더 0개에도 맞는다 ("**/deep/**" 가 맨 위 deep/x 에도)
-          if (i + 1 < p.length && p[i + 1] == '/') {
+          // rsync wildmatch: 패턴 맨 앞의 "**/" 는 폴더 0개에도 맞는다 ("**/deep/**" 가 맨 위 deep/x 에도).
+          // 가운데의 "/**/" 는 폴더 하나 이상 ("foo/**/bar" 는 foo/bar 에 맞지 않음 - 실제 rsync 확인)
+          if (b.isEmpty && i + 1 < p.length && p[i + 1] == '/') {
             b.write('(?:.*/)?');
             i++;
           } else {
diff --git a/test/rsync_filter_test.dart b/test/rsync_filter_test.dart
index ac145dd..5437822 100644
--- a/test/rsync_filter_test.dart
+++ b/test/rsync_filter_test.dart
@@ -195,4 +195,87 @@ void main() {
       expect(await preview(opts), await real(opts));
     });
   });
+
+  // 28 (10/19) 이 비교에 쓴 장면과 옵션 19개 그대로 - 옵션을 rsync 에 그대로 (+ -8 -n -i), 미리 보기는 그 옵션의 거르기 · 지우기
+  group('28 의 장면 · 옵션 19개 = 실제 rsync', () {
+    late Directory tmp;
+    late String s, d;
+    setUp(() {
+      tmp = Directory.systemTemp.createTempSync('jj_rsfilter28_');
+      s = p.join(tmp.path, 's');
+      d = p.join(tmp.path, 'd');
+      for (final r in ['a.txt', 'b.log', 'build/x.o', 'build/sub/y.o', 'sub/c.txt', 'sub/deep/d.txt', 'sub/deep/e.log',
+        'node_modules/m/i.js', 'src/node_modules/n.js', 'docs/readme.md', 'docs/img/p.png', '한글 폴더/가.txt', 'space dir/s.bak',
+        'Keep.TXT', 'tmp/t.txt', 'x/tmp/t2.txt', 'foo/bar', 'foo/q/bar']) {
+        File(p.join(s, r))
+          ..createSync(recursive: true)
+          ..writeAsStringSync('s:$r');
+      }
+      for (final r in ['extra.txt', 'keep.log', 'build/old.o', 'old/keep.log', 'old/gone.txt', 'sub/deep/z.txt', 'tmp/old.txt',
+        'onlydst/a.bak']) {
+        File(p.join(d, r))
+          ..createSync(recursive: true)
+          ..writeAsStringSync('d:$r');
+      }
+    });
+    tearDown(() => tmp.deleteSync(recursive: true));
+    final rsync = p.join(Directory.current.path, 'third_party', 'rsync', 'windows', 'rsync.exe');
+
+    for (final (i, opts) in [
+      '-a --delete --exclude=*.log --exclude=build/ --exclude=/sub/deep/',
+      '-a --delete --exclude=*.log',
+      '-a --delete --include=*/ --include=*.txt --exclude=*',
+      '-a --delete --exclude=node_modules/',
+      '-a --delete --exclude=/tmp/',
+      '-a --delete --exclude=tmp/',
+      '-a --delete --exclude=sub/deep',
+      '-a --delete --exclude=docs/***',
+      '-a --delete --exclude=foo/**/bar',
+      '-a --delete --exclude=**/bar',
+      '-a --delete --exclude=*.[lb][oa][gk]',
+      '-a --delete --exclude="space dir/"',
+      '-a --delete --exclude=한글*/',
+      '-a --delete --exclude=*.bak --delete-excluded',
+      '-a --delete --exclude=*.log --delete-excluded',
+      '-a --delete --filter="- *.o" --filter="+ build/"',
+      '-a --delete --include=sub/deep/d.txt --exclude=sub/deep/*',
+      '-a --delete --exclude=?.txt',
+      '-a --delete --exclude=*.TXT',
+    ].indexed) {
+      test('${i + 1}: $opts', () async {
+        if (!Platform.isWindows || !File(rsync).existsSync()) return markTestSkipped('앱에 든 rsync 가 없음');
+        final r = await Process.run(rsync, ['-8', '-n', '-i', ...splitOptions(opts), '${toCygwinPath(s)}/', '${toCygwinPath(d)}/'],
+            stdoutEncoding: utf8, stderrEncoding: utf8);
+        expect(r.exitCode, 0, reason: '${r.stderr}');
+        final want = <String, String>{};
+        for (final l in (r.stdout as String).split('\n')) {
+          final x = l.trimRight();
+          if (x.length < 13) continue;
+          final code = x.substring(0, 11), path = x.substring(12).replaceAll(RegExp(r'/$'), '');
+          if (path == '.' || path.isEmpty) continue;
+          if (code.startsWith('*deleting')) {
+            want[path] = 'delete';
+          } else if (code.contains('+++++')) {
+            want[path] = 'add';
+          } else if (code[0] == '>' || code[0] == '<') {
+            want[path] = 'update';
+          }
+        }
+        // -n 이 적는 "*deleting 폴더/" 중 실제로는 못 지우는 것 (안에 거른 것이 남음) 은 빼고, 지워지는 폴더 안의 것은 폴더 하나로
+        for (final l in '${r.stdout}\n${r.stderr}'.split('\n')) {
+          final m = RegExp(r'cannot delete non-empty directory: (.+)$').firstMatch(l.trimRight());
+          if (m != null) want.remove(m[1]);
+        }
+        final gone = [for (final e in want.entries) if (e.value == 'delete') e.key];
+        want.removeWhere((k, v) => v == 'delete' && gone.any((g) => k.startsWith('$g/')));
+        final items = await previewSync(s, d, toRight: true, delete: optionsDelete(opts), filter: RsyncFilter.parse(opts));
+        final got = {
+          for (final x in items)
+            if (x.action == PreviewAction.add || x.action == PreviewAction.update || x.action == PreviewAction.delete)
+              x.rel: x.action == PreviewAction.add ? 'add' : x.action == PreviewAction.update ? 'update' : 'delete',
+        };
+        expect(got, want);
+      });
+    }
+  });
 }