対する
たいする · taisuru · JLPT N3 · verb-suru
to face
🥊 対 tai = versus, as in 反対 opposition + する do = to do versus: face, oppose
対 means a pair or the opposite side. It is the vs. in match results like 日本対中国 (Japan vs. China). Add する and you get to go up against someone. Sound hook: tai sounds like tie, as in a tie match between two sides.