What is the Challengers Series field size? Men’s - 96 Women’s - 64 Related articles How do CS surfers qualify for the CT? How many surfers from each region will qualify for the Challenger Series? How will the second half of 2021 unfold and how will the Regional QS Rankings work? New Championship Tour Format for 2021 and Beyond What are the dates for the tours? Comments 0 comments Article is closed for comments.