“Ruling from a tennis line judge” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.ITSIN is the answer to the New York Times crossword clue “Ruling from a tennis line judge”. It was last seen in the puzzle of January 14, 2025, where it runs at 1 Across and fills 5 squares. It crosses 5 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.