It is entirely possible to have a co-ed sports club, if you can get enough support for it.
Its called Kendo. You use a Kendo stick made of bamboo and other material.
Kendo or Karate.
kendo and karate
Kendo
Kendo is not very popular in the USA and Europe. It can occasionally be seen elsewhere, but is often found in cities with sizable Japanese immigrant populations.
Sumo, karate, kendo, and judo
That would be Kendo.
Judo, Karate, Kendo
The art of wielding a katana, that is, a Japanese sword, is referred to in Japanese as kenjutsu-- swordplay. That word isn't commonly used anymore, though. What you can do is take kendo classes. Kendo is the Japanese equivalent of European fencing, more like fencing with a saber than with a foil or epee, in that in kendo, one can thrust as well as slash. There are lots of kendo dojos all over the U.S. and the world, so you can google one (or use WikiAnswers to find one?)
The Japanese use a bamboo sword in a sport called "kendo".
ti qundo
Kendou, having been adopted into English (Kendo), refers to the sport of swordsmanship. However, looking at the kanji individually, it can be translated as "way of the sword."