Woman athlete changes sex and play ' s men ' s football team . It is reported that Mlle Zdenka Keubkove , the Czech holder of women ' s world running titles over 80 and 800 meters , who decided to change her name and sex and become Mr Zdenek Koubka , has already made her debut as a man . She is stated to have turned out for the Association football club run by the firm for which she works , and to have played a good game . Photo shows Mlle Zdenka Koubkova , now Mr Zdenck Koubka , in action on the running track . 21 December 1935