70% errors/30% winners <h1 class="f2" id="sharp-1-return-errors">#1 return Errors<a class='anchor' href='#sharp-1-return-errors' aria-label="Permalink to #1 return Errors" role="complementary" aria-hidden="true">#</a></h1><ul class="dotted" data-apple-notes-indent-amount="0"><li>1st serve return middle</li><li>2st serve can score do attack</li></ul> <div></div><h1 class="f2" id="sharp-2-plus-1-errors">#2 Plus 1 Errors<a class='anchor' href='#sharp-2-plus-1-errors' aria-label="Permalink to #2 Plus 1 Errors" role="complementary" aria-hidden="true">#</a></h1><ul class="dotted" data-apple-notes-indent-amount="0"><li>积累优势而不是着急下分</li></ul> <div></div><h1 class="f2" id="sharp-3">#3 减少双误<a class='anchor' href='#sharp-3' aria-label="Permalink to #3 减少双误" role="complementary" aria-hidden="true">#</a></h1><ul class="dotted" data-apple-notes-indent-amount="0"><li>3-4局一个双误</li></ul> <div></div><h1 class="f2" id="sharp-4">#4 底线失误<a class='anchor' href='#sharp-4' aria-label="Permalink to #4 底线失误" role="complementary" aria-hidden="true">#</a></h1><ul class="dotted" data-apple-notes-indent-amount="0"><li>不要下网，2个网的高度打</li><li>打角度可以做浅角度</li><li>避免对方斜线自己直线</li></ul>