TY  JOUR
TI  Showdown matches under tennis rules as a training methodology
KW  adaptive sports
KW  visually impaired sports
KW  showdown
KW  table tennis for the visually impaired
KW  training methodology
KW  tennis rules
KW  game endurance
KW  technical and tactical training
JO  Scientific notes of P. F. Lesgaft University
AU  Kovtunenko, T.D.
AU  Eydel'man, L.N.
PY  2026
IS  0
PB  National State University of Physical Education, Sports and Health named after P.F. Lesgaft