Section 5: Rules of Play

Players are entitled to a warm-up period on court before the match commences. At WSF-sanctioned events the warm-up is 5 minutes.

Source: Rule 3, Rule 4, Rule 7, Rule 7.1, Rule 7.2, Rule 7.3, Rule 7.4, Rule 7.5, Rule 9.1, Rule 10, Rule 10.1, Rule 10.2, Rule 10.3, Rule 10.4, Rule 10.5, Rule 10.6, Rule 12, Rule 12.1, Rule 12.4, Rule 12.6

Send this to your friend — argument over.