Related Clues:

• Zero, in tennis
• Zilch, on a court
• Get a kick out of
• Zero, in a sport
• It's all we need
• Really go for
• Cupid's field
• Wimbledon score
• Motivation for the earth's rotation?
• Affection
• Adore
• Love letter closer, perhaps
• Cupid's specialty
• It's all you need
• Notorious canal