The 2020 ITTF Challenge Series is the fourth season of the International Table Tennis Federation's secondary professional table tennis tour, a level below the ITTF World Tour.
As in the previous season, the ITTF Challenge Series is split into two tiers: Challenge Plus and Challenge.
[1] ITTF Challenge Series is divided into two tiers: Challenge Plus and Challenge.
Below is the 2020 schedule announced by the International Table Tennis Federation:[2]