Monday, 6 February marks the start of a week-long hearing that could shape the future of men's professional golf and potentially the wider sporting world.
At the heart of the case is a simple question of control and fairness. Can a governing body impose rules that determine when and where professional golfers can or cannot compete?
It is a result of the arrival of the Saudi Arabian-funded breakaway LIV Golf tour, to which Stenson defected last July, resulting in the Swedish former Open champion being stripped of Europe's Ryder Cup captaincy.
That was one of many skirmishes that have clouded the game over a past year riddled with unprecedented controversy and uncertainty.