He also won the mixed doubles title with five-time Wimbledon champion Charlotte Cooper.

Entity and relation annotations:
id: 0
type: entity
value: text: Charlotte Cooper
labels: <Person>
id: 1
type: entity
value: text: five-time Wimbledon champion
labels: <Title>
type: relation
to_id: 1
labels: Person:holds_title:Title
from_id: 0