diff --git a/news/13216.trivial.rst b/news/13216.trivial.rst
new file mode 100644
index 00000000000..e7f3d0cc23e
--- /dev/null
+++ b/news/13216.trivial.rst
@@ -0,0 +1 @@
+ Add repr to RequiresPythonCandidate.
diff --git a/src/pip/_internal/resolution/resolvelib/candidates.py b/src/pip/_internal/resolution/resolvelib/candidates.py
index 6617644fe53..1d21ede72cc 100644
--- a/src/pip/_internal/resolution/resolvelib/candidates.py
+++ b/src/pip/_internal/resolution/resolvelib/candidates.py
@@ -552,6 +552,9 @@ def __init__(self, py_version_info: Optional[Tuple[int, ...]]) -> None:
     def __str__(self) -> str:
         return f"Python {self._version}"
 
+    def __repr__(self) -> str:
+        return f"{self.__class__.__name__}({self._version!r})"
+
     @property
     def project_name(self) -> NormalizedName:
         return REQUIRES_PYTHON_IDENTIFIER