diff --git a/perf/images.yaml b/perf/images.yaml
index 7d266d4..20ca379 100644
--- a/perf/images.yaml
+++ b/perf/images.yaml
@@ -9,7 +9,9 @@ test-aliases:
   - alias: "none"
     value: "!~all"
   - alias: "images"
-    value: "dotnet-v1.0|go-v0.45|js-v3.x|rust-v0.56"
+    value: "dotnet-v1.0|go-v0.45|js-v3.x|python-v0.x|rust-v0.56"
+  - alias: "python"
+    value: "python-v0.x"
   - alias: "baselines"
     value: "https|quic-go|iperf"
   - alias: "go"
@@ -98,3 +100,22 @@ implementations:
     secureChannels: [noise, tls]
     muxers: [yamux]
 
+  - id: python-v0.x
+    source:
+      type: github
+      repo: libp2p/py-libp2p
+      commit: ca470efdaf4df982d4e3844d86a515eb18efca7a
+      dockerfile: interop/perf/Dockerfile
+    transports: [tcp, ws]
+    secureChannels: [noise, tls]
+    muxers: [yamux, mplex]
+  # Local python config (same Dockerfile; context = repo root = images/python/0.x/py-libp2p)
+  #- id: python-v0.x
+  #  source:
+  #    type: local
+  #    path: images/python/0.x/py-libp2p
+  #    dockerfile: interop/perf/Dockerfile
+    # transports: [quic-v1, tcp, ws]
+  #  transports: [tcp, ws]
+  #  secureChannels: [noise, tls]
+  #  muxers: [yamux, mplex]
diff --git a/perf/lib/run-single-test.sh b/perf/lib/run-single-test.sh
index 5c98af9..6b61415 100755
--- a/perf/lib/run-single-test.sh
+++ b/perf/lib/run-single-test.sh
@@ -61,9 +61,16 @@ TEST_SLUG=$(echo "${TEST_NAME}" | sed 's/[^a-zA-Z0-9-]/_/g')
 LOG_FILE="${TEST_PASS_DIR}/logs/${TEST_SLUG}.log"
 > "${LOG_FILE}"
 
+# Use unique compose project/container names per test pass to avoid stale
+# docker compose state collisions when rerunning the same test selection.
+RUN_KEY=$(compute_test_key "${TEST_PASS_NAME}-${TEST_NAME}")
+COMPOSE_PROJECT_NAME="${TEST_SLUG}_${RUN_KEY}"
+CONTAINER_PREFIX="${COMPOSE_PROJECT_NAME}"
+
 print_debug "test key: ${TEST_KEY}"
 print_debug "test slug: ${TEST_SLUG}"
 print_debug "log file: ${LOG_FILE}"
+print_debug "compose project: ${COMPOSE_PROJECT_NAME}"
 
 log_message "[$((${TEST_INDEX} + 1))] ${TEST_NAME} (key: ${TEST_KEY})"
 
@@ -114,7 +121,7 @@ fi
 if [ "${IS_LEGACY_TEST}" == "true" ]; then
   # Legacy test: external shared network + Redis proxy service
   cat > "${COMPOSE_FILE}" <<EOF
-name: ${TEST_SLUG}
+name: ${COMPOSE_PROJECT_NAME}
 
 networks:
   default:
@@ -127,7 +134,7 @@ networks:
 services:
   proxy-${TEST_KEY}:
     image: libp2p-redis-proxy
-    container_name: ${TEST_SLUG}_proxy
+    container_name: ${CONTAINER_PREFIX}_proxy
     networks:
       - perf-network
     environment:
@@ -136,7 +143,7 @@ services:
 
   listener:
     image: ${LISTENER_IMAGE}
-    container_name: ${TEST_SLUG}_listener
+    container_name: ${CONTAINER_PREFIX}_listener
     init: true
     depends_on:
       - proxy-${TEST_KEY}
@@ -147,7 +154,7 @@ ${LISTENER_ENV}
 
   dialer:
     image: ${DIALER_IMAGE}
-    container_name: ${TEST_SLUG}_dialer
+    container_name: ${CONTAINER_PREFIX}_dialer
     depends_on:
       - listener
       - proxy-${TEST_KEY}
@@ -159,7 +166,7 @@ EOF
 else
   # Modern test: external shared network, no proxy needed
   cat > "${COMPOSE_FILE}" <<EOF
-name: ${TEST_SLUG}
+name: ${COMPOSE_PROJECT_NAME}
 
 networks:
   default:
@@ -172,7 +179,7 @@ networks:
 services:
   listener:
     image: ${LISTENER_IMAGE}
-    container_name: ${TEST_SLUG}_listener
+    container_name: ${CONTAINER_PREFIX}_listener
     init: true
     networks:
       - perf-network
@@ -181,7 +188,7 @@ ${LISTENER_ENV}
 
   dialer:
     image: ${DIALER_IMAGE}
-    container_name: ${TEST_SLUG}_dialer
+    container_name: ${CONTAINER_PREFIX}_dialer
     depends_on:
       - listener
     networks: