Meet Chinese sports shooter Zhāng Shān, the reason skeet shooting is sex segregated. At the 1992 Barcelona Olympics, she dominated the then integrated skeet shooting competition winning Gold, defeating the men. The International Shooting Union banned women for the 1996 Olympics.
Her performance in 1992 was too strong, in a field of 60 shooters, only 6 other women
In qualifications, she hit all 150 targets
In semi-final, she got 200/200 hits
In the final Olympic competition, she tied the world record by getting 223/225.
https://olympics.com/en/news/zhang-shan-the-only-female-shooter-to-win-gold-in-a-mixed-competition