Covell won both her singles matches against Helen Wills and Molla Mallory.

Entity and relation annotations:
id: 0
type: entity
value: text: Covell
labels: <Person>
id: 1
type: entity
value: text: Helen Wills
labels: <Person>
id: 2
type: entity
value: text: Molla Mallory
labels: <Person>
type: relation
to_id: 1
labels: Person:competes_with:Person
from_id: 0
type: relation
to_id: 2
labels: Person:competes_with:Person
from_id: 0