 Generally in such events however, the final few rounds are still played in the typical knock-out format.The ATP and WTA tours generally hold more than one tournament each week, while the ITF circuits, which oversees several events weekly, hold a few events during the month of December, the top tier tours' off-season.Grand slam tournament play is unique in that, for men, matches are best three of five sets, and that both female and male players do not play singles (or doubles) matches in consecutive days, barring inclement weather or other unforeseen scheduling issues.