Double standards
Many of the problems facing men and boys can be characterised as double standards, with men and women (or boys and girls) being treated differently. In some cases these double standards are explicitly spelled out but more often they are implied.
Research has shown that women are more likely to support double standards.[1]
Denying Sex
In an increasing number of jurisdictions denying sex to a romantic partner is considered to be intimate partner violence, but only if men do it.
Genital Mutilation
https://old.reddit.com/r/MensRights/comments/108t1yq/im_starting_a_list_of_double_standards_between/
Interactions
Rating the opposite gender has few consequences for women but serious consequences for men.
https://www.mirror.co.uk/news/us-news/women-work-made-list-hot-32752581
https://www.themirror.com/news/weird-news/women-work-made-list-hot-472540
https://www.abc.net.au/news/2024-05-07/boys-expelled-from-yarra-valley-grammar/103813488