%0 Journal Article %T Showdown matches under tennis rules as a training methodology %A Kovtunenko, T.D. %A Eydel'man, L.N. %K adaptive sports, visually impaired sports, showdown, table tennis for the visually impaired, training methodology, tennis rules, game endurance, technical and tactical training %J Scientific notes of P. F. Lesgaft University %D 2026 %N 0 %P 7 %I National State University of Physical Education, Sports and Health named after P.F. Lesgaft