Name the total number of opponent in the final for 6–2, 6–1, 6–3
create table table_23235767_4 (opponent_in_the_final varchar, score_in_the_final varchar, PRIMARY KEY (opponent_in_the_final))
select count(opponent_in_the_final) from table_23235767_4 where score_in_the_final = "6–2, 6–1, 6–3"