In case you don’t know - there are two categories: open and women-only. Anyone can compete in open, no matter what their gender/sex is. Women can also compete against other women only if they want. It’s definitely not like “oh you’re a woman, you can’t compete here, it’s only for men”.

My wife and I picked an adult-only hotel for our honeymoon. It’s fucking glorious. One of our fondest memories ever, and we cherish it even more now with third kid on her way to wreck havoc to our ears in a few short months.

In English that’s called paucal vs plural forms, Polish has the same rules as Russian.

Sidenote: there are translation systems that support it, e.g. Qt does (https://doc.qt.io/qt-6/i18n-plural-rules.html).