Related Clues:

• Net-tipping serve
• "___ bygones be bygones"
• Release, with ''out''
• Admit, with ''in''
• Ending for eye
• Tennis judge's call
• God's first word, in the Bible
• Abate, with 'up'
• Authorize to
• Voided serve
• Disappoint, with ''down''
• Gave permission
• Allow to rent?
• Permit or rent
• Allow the obstruction