SELECT week_of FROM table_21584646_10 WHERE semifinalists = "Stefan Edberg Anders Järryd" AND champion = "John McEnroe 7–6, 6–3"
Minggu berapa Stefan Edberg Anders Järryd adalah semifinalis dan juara adalah John McEnroe 7–6, 6–3?
CREATE TABLE table_21584646_10 (week_of VARCHAR, semifinalists VARCHAR, champion VARCHAR)