que adversários no campeonato dos EUA jogaram depois de 1945 e tiveram uma pontuação de 36, 64, 26, 63, 2018?
CREATE TABLE table_name_5 (opponents_in_the_final VARCHAR, score VARCHAR, championship VARCHAR, year VARCHAR)
SELECT opponents_in_the_final FROM table_name_5 WHERE championship = "u.s. championships" AND year > 1945 AND score = "3–6, 6–4, 2–6, 6–3, 20–18"