The Senior Open Championship, or simply The Senior Open, is a professional golf tournament for players aged 50 and over. It is jointly owned and run by The R&A, the same body that organises The Open Championship, and the PGA European Tour. Prize money won in the event is official money on both PGA Tour Champions and the European Senior Tour. The purse, which is fixed in United States dollars, had increased to $2.75 million for 2023.