Clue: One of a pair of openers in a sort of cricket, batting just the same between wickets (6,6)
Answer: FRENCH WINDOW
Explanation: One of a pair of openers in a sort of cricket, batting just the same between wickets (6,6)
FRENCH (cricket) + IN ("batting") DO (short for "ditto" = "just the same") bewtween W and W ("wickets")