USTTA rating v.s. expected win-rate

I have done some calculations to help translating ratings v.s. skill levels. My calculations are done based on data from

Junior Tennis Ratings FAQ, National Tennis Leagues

USTTA rating v.s. expected win-rate

USTA League Archives - Tennis on Point

Which global tennis rating better measures player skill? Evidence

USTA / Capital Area Tennis Association Website

USTTA rating v.s. expected win-rate, Page 2

Tom Fey USTA Tri-Level National Invitational - USTA Southern

Tennis League Stats, Tennis Record USTA

The USTA Rating System Is Problematic And Not Inclusive

Holy Cross Women's Tennis

8 Reasons Why You Shouldn't Obsess Over USTA Ratings - Tennis Files

Schmidt Computer Ratings: USTA NTRP Rating FAQ