Ключевые слова: activity, ball, ballsport, challenge, championship, china, closeup, competition, concentration, court, equipment, eriksdalshallen, expression, game, gameplay, handle, harimoto, indoor, ittf, japan, male, match, men, net, paddle, ping, pingis, pong, professional, racket, serve, single, soc, speed, sport, stockholm, sweden, table, tabletennis, tennis, tomokazu, two, xin, xu, xu xin, young,