The Czech climber was an impressive winner along with Slovenia’s Domen Skofic at the Kletterzentrum venue, although all his main rivals have also progressed to Sunday’s (September 9) semi-finals.
Italy’s Stefano Ghisolfi was joint third with Sean Bailey of the United States, while Germany’s Alexander Megos was joint seventh.
Home climber Jakob Schubert, a former world lead champion who is a current front-runner in this season’s World Cup standings, progressed in joint 17th position along with Britain’s William Bosi.
The conclusion of the women’s and men’s lead competitions will take place tomorrow and Sunday respectively.
Defending champion Janja Garnbret won yesterday’s women’s lead qualifying, but she was closely followed by home climber Jessica Pilz.
Attention will then turn to bouldering, speed and Para-climbing events next week.
The Kletterzentrum venue stages qualifying rounds of lead, boulder and Para-climbing.
Innsbruck’s Olympiaworld venue will host all semi-finals and final rounds as well as qualification rounds for speed climbing.
For the first time at the World Championships, the six top-scoring men and women will qualify for the combined finals on the last day of competition on September 16.