NR017 support · always noindex
Method and limits
The validator implements the ITF Rules of Tennis 2026 regular seven-point singles tie-break with the default end-change procedure.
It resolves expected score, server, service half and relative end. It does not observe a physical court, detect a competition format or issue an officiating ruling.
Excluded: match tie-breaks, final-set alternatives, Coman, Fast4, doubles, faults, lets, replay and correction rulings.