diff --git a/ports/rsasynccpp/portfile.cmake b/ports/rsasynccpp/portfile.cmake
new file mode 100644
index 00000000000000..438f2cd8c49406
--- /dev/null
+++ b/ports/rsasynccpp/portfile.cmake
@@ -0,0 +1,48 @@
+vcpkg_fail_port_install(ON_TARGET "Linux" "OSX" "ANDROID" "FREEBSD" "OPENBSD")
+vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH  SOURCE_PATH
+    REPO renestein/Rstein.AsyncCpp
+    REF 0.0.7
+    SHA512   b4cc1c68b6fc7bb8b418457ba18b834769abec07e44305955214f8918cc57f85c4258a0521ea55388fab3ec9724488e506d2b114c765b804991c38bf33133c55
+    HEAD_REF master
+)
+
+if("lib-cl-win-legacy-await" IN_LIST FEATURES)
+  if (VCPKG_CRT_LINKAGE MATCHES "static")
+    set(RELEASE_CONFIGURATION  "ReleaseMT_VSAWAIT")
+    set(DEBUG_CONFIGURATION    "DebugMT_VSAWAIT")
+  else()
+    set(RELEASE_CONFIGURATION  "Release_VSAWAIT")
+    set(DEBUG_CONFIGURATION    "Debug_VSAWAIT")
+  endif()
+else()
+  if (VCPKG_CRT_LINKAGE MATCHES "static")
+    set(RELEASE_CONFIGURATION "ReleaseMT")
+    set(DEBUG_CONFIGURATION   "DebugMT")
+  else()
+    set(RELEASE_CONFIGURATION  "Release")
+    set(DEBUG_CONFIGURATION    "Debug")
+  endif()
+endif()
+
+if (TRIPLET_SYSTEM_ARCH MATCHES "x86")
+    set(MSBUILD_PLATFORM "x86")
+else ()
+    set(MSBUILD_PLATFORM ${TRIPLET_SYSTEM_ARCH})
+endif()
+
+
+vcpkg_install_msbuild(
+    SOURCE_PATH ${SOURCE_PATH}
+    PROJECT_SUBPATH RStein.AsyncCppLib.sln
+    LICENSE_SUBPATH LICENSE    
+    PLATFORM ${MSBUILD_PLATFORM}
+    DEBUG_CONFIGURATION ${DEBUG_CONFIGURATION}
+    RELEASE_CONFIGURATION ${RELEASE_CONFIGURATION}    
+)
+
+file(COPY "${SOURCE_PATH}/RStein.AsyncCpp/"
+    DESTINATION "${CURRENT_PACKAGES_DIR}/include/asynccpp"
+    FILES_MATCHING PATTERN "*.h")
\ No newline at end of file
diff --git a/ports/rsasynccpp/vcpkg.json b/ports/rsasynccpp/vcpkg.json
new file mode 100644
index 00000000000000..f29d9388b49782
--- /dev/null
+++ b/ports/rsasynccpp/vcpkg.json
@@ -0,0 +1,13 @@
+{
+  "name": "rsasynccpp",
+  "version": "0.0.7",
+  "maintainers": "Rene Stein <rene@renestein.net>",
+  "description": "Task Parallel Library (TPL)/dataflow/actors/async primitives for C++ based on C++ 20 coroutines.",
+  "homepage": "https://github.com/renestein/Rstein.AsyncCpp",
+  "supports": "windows & !arm",
+  "features": {
+    "lib-cl-win-legacy-await": {
+      "description": "Legacy coroutines (/await switch, std::experimental namespace)."
+    }
+  }
+}
diff --git a/scripts/ci.baseline.txt b/scripts/ci.baseline.txt
index 828802842973f2..c2151974469596 100644
--- a/scripts/ci.baseline.txt
+++ b/scripts/ci.baseline.txt
@@ -1363,6 +1363,10 @@ rocksdb:x64-uwp=fail
 rpclib:arm64-windows=fail
 rpclib:arm-uwp=fail
 rpclib:x64-uwp=fail
+rsasynccpp:arm64-windows=fail
+rsasynccpp:arm-uwp=fail
+rsasynccpp:x64-linux=fail
+rsasynccpp:x64-osx=fail
 rsocket:x64-windows=fail
 rsocket:x64-windows-static=fail
 rsocket:x64-windows-static-md=fail
diff --git a/versions/baseline.json b/versions/baseline.json
index 1a1bc787f98f71..ba984209369da2 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -5180,6 +5180,10 @@
       "baseline": "2020-09-14",
       "port-version": 0
     },
+    "rsasynccpp": {
+      "baseline": "0.0.7",
+      "port-version": 0
+    },
     "rsocket": {
       "baseline": "2020.05.04.00-1",
       "port-version": 0
diff --git a/versions/r-/rsasynccpp.json b/versions/r-/rsasynccpp.json
new file mode 100644
index 00000000000000..398e8cc0f510ab
--- /dev/null
+++ b/versions/r-/rsasynccpp.json
@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "80995d80f9e7e551f8305ce2cecb0a91bc9c457a",
+      "version": "0.0.7",
+      "port-version": 0
+    }  
+  ]
+}