ExternalName backed paths Drop Path

Traefik Traefik v2 (latest)
1

When trying to use traefik as a reverse proxy for external services, it only proxies to the host directly and ignores the path and only sends the host itself. Does anyone have any idea why this is not passing the path?
Ingress:

apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  annotations:
    kubernetes.io/ingress.class: traefik
    traefik.ingress.kubernetes.io/router.entrypoints: websecure
    traefik.ingress.kubernetes.io/router.priority: "10"
    traefik.ingress.kubernetes.io/router.tls: "true"
  name: domain-tld
spec:
  rules:
    - host: domain.tld
      http:
        paths:
          - backend:
              serviceName: public-external-name
              servicePort: 443
            path: /path
  tls:
    - hosts:
        - domain.tld
      secretName: domain-tld

ExternalName:

apiVersion: v1
kind: Service
metadata:
  name: public-external-name
spec:
  type: ExternalName
  externalName: mypagesrepo.github.io
  ports:
    - port: 443

Log of failure:

{"ClientAddr":"10.120.0.3:38798","ClientHost":"10.120.0.3","ClientPort":"38798","ClientUsername":"-","DownstreamContentSize":5142,"DownstreamStatus":404,"Duration":18464933,"OriginContentSize":5142,"OriginDuration":18342096,"OriginStatus":404,"Overhead":122837,"RequestAddr":"domain.tld","RequestContentSize":0,"RequestCount":156112,"RequestHost":"domain.tld","RequestMethod":"GET","RequestPath":"/path/","RequestPort":"-","RequestProtocol":"HTTP/2.0","RequestScheme":"https","RetryAttempts":0,"ServiceAddr":"mypagesrepo.github.io:443","ServiceName":"namespace-public-external-name-443@kubernetes","ServiceURL":{"Scheme":"https","Opaque":"","User":null,"Host":"domain.tld:443","Path":"","RawPath":"","ForceQuery":false,"RawQuery":"","Fragment":""},"StartLocal":"2020-08-14T04:55:55.126388322Z","StartUTC":"2020-08-14T04:55:55.126388322Z","entryPointName":"websecure","level":"info","msg":"","time":"2020-08-14T04:55:55Z"}