Tā shàncháng dǎ xīnlǐzhàn, ràng duìshǒu zì luàn zhènjiǎo.
He's skilled at mind games, throwing his opponents off balance.
Tips
usage
Common verb collocations: 打心理战 'to wage / play psychological war' and 玩心理战 (slightly more casual, 'play mind games'). Used both in real military / diplomatic contexts and metaphorically for sports, business, and relationships.