CREATE TABLE table_23944006_4 (partner VARCHAR, score VARCHAR)
SELECT COUNT(partner) FROM table_23944006_4 WHERE score = "5-7, 6-7 (5-7)"
ตั้งชื่อจำนวนคู่ 5-7, 6-7 (5-7)
Name the number of partners for 5-7, 6-7 (5-7)