Related Clues:

• Certain deflected ball
• It's re-served
• Badminton do-over
• Reason for a third serve
• Sanction to
• Betray, with "down"
• Constraint
• Tennis redo
• Give the green light to
• Allow to happen
• Admit, with ''on''
• Bad service
• Net grazer
• Divulge, with ''out''
• Grant permission to