Kasova won the third and last of her national titles at the Bulgarian Indoor Championships at the start of 2002. Her career breakthrough came at the 2002 European Cup B Final, where she won the 100 m hurdles in a new personal best of 12.75 seconds. This time ranked her tenth in the world for that year, and third among Europeans. Desislava Mutafchieva was the winner at the Bulgarian Championships that year, but at the 2002 European Athletics Championships Kasova came away with the bronze medal. She again dipped under thirteen seconds and was beaten only by Spanish-Nigerian Glory Alozie and Ukraine's Olena Krasovska.