Possible Clues:

• Do doggedly wrong in a row
• Dog — reservist
• See 1
• (Yorkshire?) dog
• Game pursuer
• Soldier to make a mistake in the rank
• Do wrong, that is to say, in one of 22 across
• That dog might not be right in the row
• The tenacious person's reserve
• The little brute would do wrong to get into a row