雨馬場との向き合い方(芝) https://pym-kba.neco.world/2022/09/20/%e9%9b%a8%e9%a6%ac%e5%a0%b4%e3%81%a8%e3%81%ae%e5%90%91%e3%81%8d%e5%90%88%e3%81%84%e6%96%b9%ef%bc%88%e8%8a%9d%ef%bc%89/