Irish golfer Shane Lowry was in the lead.
Erica Herman, who lived with the 15-time major winner at his Florida mansion until late 2022, filed the request in the Circuit Court of the 19th Judicial Circuit in Martin County, Florida.
The Official World Golf Ranking (OWGR), which was revamped in August to make it more equitable, has been criticised by top golfers such as Jon Rahm, who termed it "laughable".
Tournament host Tiger Woods was forced to pull out of this week's Hero World Challenge due to a foot injury that is "making it difficult to walk."
Thai teenager Atthaya Thitikul reached the top of the world women's golf rankings this week after a stunning debut year on the LPGA Tour
A tearful Tiger Woods said he may never get the chance to grace a British Open at St Andrews again after missing the cut on Friday with a score of nine-over-par for his two rounds.
The 46-year-old made a surprise return at the Masters in April, after needing surgery to repair his right leg following the car crash in February 2021.
Anirban Lahiri has played once previously with Tiger Woods over three holes when the American superstar jetted into New Delhi in 2014 for a flying visit. But since competing on the PGA TOUR in 2016, the Indian has had the chance to know the 82-time PGA TOUR winner over time.
Top-ranked Scottie Scheffler captured his first major title on Sunday by winning the Masters in dominating fashion, holding firm down the stretch to seize the green jacket after Tiger Woods completed his comeback from severe leg injuries.
Tiger Woods' hopes of a victorious return from career-threatening injuries evaporated on Augusta National's greens on Saturday while Scottie Scheffler seized a three-stroke Masters lead.