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Three New USTA Wheelchair Comments

The recently released 2021 Friend at Court includes three new USTA comments against the ITF Rules of Tennis. Since this site is currently in the middle of exploring the section of that contains the Rules of Wheelchair Tennis, it makes sense to cover these comments now. This requires a little backtracking. All three of the new USTA comments are in the main body of the ITF Rules of Tennis rather than the wheelchair section.