In 1976 the Czech the finals in women's singles at the Australian Open and the French Open. In Paris, she lost to Sue Barker in Melbourne and against the former world number one Evonne Goolagong. After winning the title of the petition girl in Paris in 1972 she won in 1978 with her doubles partner Betsy Nagelsen the title in women's doubles at the Australian Open. They defeated in the final Naoko Sato and Pam Whytcross in two sets 7-5, 6-2. Your second major title won Tomanová with her compatriot Pavel Složil in the mixed doubles of the French Open in 1978.