Tomáš started climbing on the rocks of Stránská skála near Brno in 1997. Only two years later, he could climb his first 8a and in the subsequent year managed to win the Czech Championship in lead climbing.
In 2001 he became Junior World Champion in Imst, Austria,[4] Vice World Champion in Winterthur, Suisse,[5] and he won the prestigious Rock Master competition in Arco, Italy.[6]
In 2002 he reached the overall 2nd place of the Lead World Cup and succeeded to repeat the legendary route Underground 9a redpoint in Massone near Arco.[7]
In 2004 he became overall winner of the Lead World Cup.[3]
In 2005 he repeated to win the World Championships in Munich, Germany[2] and placed 2nd at the World Games in Duisburg, Germany.[8] Moreover he succeeded to onsight Pata Negra in Rodellar, the second 8c onsight ever,[9] and Martin Krpan 9a in Mišja Peč.[7][10]
Tomáš has been keeping to win the Czech Championships annually.