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发帖数: 3422 | 1 The NTRP (National Tennis Rating Program) was established in 1978, it is de
signed to be easily administered, non exclusive, achieve better competition,
and provide on-court compatibility.
We've included all the various levels, along with more detailed
description, to better understand and identify the different skill levels.
Modern tennis is about taking time away, the less time you give your
opponent to make a reply, the more your chances of hitting a winner, or
forcing an error. The weaker th |
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