Circles categorize 50-100 yards as Short Game, while some other stats platforms classify 50-100 yards as an Approach.

Who is right?

Different stats metrics and models may have various distance ranges to categorize Short Game. So we can't say who is right and who is wrong.

However, Circles' definition is aligned to the original strokes gained model and follows the same definition used for PGA Tour, LPGA Tour and NCAA official statistics.