Related Clues:

• Competition for both professionals and amateurs
• Sign that's visible during business hours
• Remove the lid of
• Word in many tournament names
• Candid, frank
• Unbox
• Unsolved, as a math problem
• Available, like a time slot
• Like a running faucet
• U.S. Women's ___ (47-Across event)
• Oddie's first swan not ringed?
• Undo, unlock
• ___ to criticism
• Divest of wrapping paper, perhaps
• Work a door