Possible Clues:

• Court benefit
• What the deuce precedes one at court
• Beneficial feature of scoring on court
• What the deuce comes before that in court?
• A number possibly get a van for convenience
• What the deuce precedes this at court?
• Would your man the Da get a van for superiority?
• Call on the court
• Pole position, e.g.
• After 5 A, D. the insect is old enough to give it a more favourable position