| （Department of Physical Education，Guangdong University of Technology，Guangzhou 510090，China） Abstract: The author studied the applications and approaches of the tactics and techniques of world high perform-ance male ball undercutting table tennis players in competitions, and revealed the following findings: in the compe-tition of the first 4 strikes in ball undercutting approaches, the scoring ability of the players is high, and compared with offensive ball hitting approaches, the plays still need to make further improvements in the preemptive attach application rate and scoring rate in the ball serving preemptive attack stage and the served ball receiving preemptive attack stage; the rate of scoring by applying ball cutting approaches in the deadlock stage is relatively high, and the tactics and techniques used in the deadlock stage are very important; the stability of forehand ball undercutting needs to be further improved. Changes made by the International Table Tennis Association to the rules and equip-ment, such as applying two different colors to the covers at both sides of the racket, ball serving without blinding, using a big ball with a diameter of 40mm, 11-point system, and using an inorganic glue, have brought challenges and opportunities to ball undercutting approaches.
Key words: table tennis；men players；ball undercutting approach
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