The plan is to shrink draw sizes, which currently stand at 16 for doubles and 28 for singles at ATP 250 events. At the 500 level, it is 16 for doubles and 32 for singles, while Masters 1000 tournaments feature 16 for doubles and 32 for singles. That could be reduced to eight teams at ATP 250 and 500 events, and 16 teams at Masters 1000 level.