CREATE TABLE table_2186447_1 (partner VARCHAR, score VARCHAR)
SELECT COUNT(partner) FROM table_2186447_1 WHERE score = "7–6 (7–4) , 6–3"
มีหุ้นส่วนกี่คนเมื่อคะแนนเป็น 7–6 (7–4) , 6–3
How many partners were there when the score was 7–6 (7–4) , 6–3?