diff --git a/pyproject.toml b/pyproject.toml
index 33322c43a5..4bf3928f95 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -424,6 +424,7 @@ exclude = [
     "^fixtures/",
     "^logs/",
     "^site/",
+    "^tests/json_infra/fixtures/",
 ]
 plugins = ["pydantic.mypy"]
 
diff --git a/tests/json_infra/conftest.py b/tests/json_infra/conftest.py
index 7c3bae1171..143591a8de 100644
--- a/tests/json_infra/conftest.py
+++ b/tests/json_infra/conftest.py
@@ -80,6 +80,7 @@ def pytest_addoption(parser: Parser) -> None:
         type=str,
         help="Run tests from and including the specified fork.",
     )
+
     parser.addoption(
         "--until",
         action="store",
@@ -88,6 +89,7 @@ def pytest_addoption(parser: Parser) -> None:
         type=str,
         help="Run tests until and including the specified fork.",
     )
+
     parser.addoption(
         "--fork",
         action="store",
@@ -95,6 +97,7 @@ def pytest_addoption(parser: Parser) -> None:
         default="",
         help="Only run tests for the specified fork.",
     )
+
     parser.addoption(
         "--file-list",
         action="store",
@@ -106,6 +109,13 @@ def pytest_addoption(parser: Parser) -> None:
         ),
     )
 
+    parser.addoption(
+        "--tests-file",
+        dest="tests_path",
+        type=Path,
+        help="Path to a file containing test ids, one per line",
+    )
+
 
 def pytest_configure(config: Config) -> None:
     """
@@ -175,6 +185,29 @@ def pytest_configure(config: Config) -> None:
     config.stash[desired_forks_key] = desired_forks
 
 
+def pytest_collection_modifyitems(config: Config, items: list[Item]) -> None:
+    """Filter test items."""
+    tests_path = config.getoption("tests_path", None)
+    if tests_path is None:
+        return
+
+    with open(tests_path) as f:
+        test_ids = set(x.removesuffix("\n") for x in f.readlines())
+
+    selected = []
+    deselected = []
+    for item in items:
+        if item.nodeid in test_ids:
+            selected.append(item)
+            test_ids.remove(item.nodeid)
+        else:
+            deselected.append(item)
+
+    if deselected:
+        config.hook.pytest_deselected(items=deselected)
+        items[:] = selected  # keep only what matches
+
+
 class _FixturesDownloader:
     cache: Final[SQLiteCache]
     session: Final[CachedSession]
diff --git a/tox.ini b/tox.ini
index 0983dd466d..e67cc3a4b4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -39,6 +39,7 @@ commands =
     pytest \
         -n auto --maxprocesses 6 \
         --basetemp="{temp_dir}/pytest" \
+        {posargs} \
         src
 
 [testenv:tests_pytest_pypy3]
@@ -57,6 +58,7 @@ commands =
     pytest \
         -n auto --maxprocesses 6 \
         --basetemp="{temp_dir}/pytest" \
+        {posargs} \
         src
 
 [testenv:json_infra]
@@ -85,6 +87,7 @@ commands =
         --log-to "{toxworkdir}/logs" \
         --clean \
         --until Osaka \
+        {posargs} \
         tests
 
 [testenv:pypy3]
@@ -108,6 +111,7 @@ commands =
         --log-to "{toxworkdir}/logs" \
         --clean \
         --until Osaka \
+        {posargs} \
         tests
 
 [testenv:benchmark]
@@ -123,6 +127,7 @@ commands =
         --log-to "{toxworkdir}/logs" \
         --clean \
         --fork Prague \
+        {posargs} \
         tests/benchmark
 
 [testenv:optimized]
@@ -137,6 +142,7 @@ commands =
         --ignore-glob='tests/test_t8n.py' \
         --basetemp="{temp_dir}/pytest" \
         --optimized \
+        {posargs} \
         tests/json_infra
 
 [testenv:spec-docs]