Zrno began his professional wrestling career in 1973. He worked in many Germany promotions throughout his career. In 1979, he made his debut in Japan for
International Wrestling Enterprise. In 1981, Zrno made his debut for
Catch Wrestling Association in Germany where he worked there until 1993. From 1982 to 1983, he did another tour for Japan this time for
New Japan Pro Wrestling as the Silver Hurricane. In February 1985, he did his final his tour in Japan for
Universal Wrestling Federation (Japan). On July 17, 1987, Zrno won the
CWA World Middleweight Championship defeating
Steve Wright in Vienna, Austria. He dropped the title back to Wright on December 2, 1987. On November 23, 1988, Zrno and
Tony St. Clair became the first
CWA World Tag Team Champions. They held the titles for over a year until dropping them to
Dave Finlay and
Marty Jones on June 23, 1990. Zrno teamed up with
Franz Schurmann to win back the titles from Finlay and Jones. They held them until December 21, 1991, losing to
Chris Benoit and
David Taylor. On July 18, 1993 Zrno teamed with David Taylor to defeat
Mad Bull Buster and
Larry Cameron for the titles. They dropped them back to Buster and Cameron on October 24, 1993. By the end of 1993, Zrno took a hiatus from wrestling. In 1997, Zrno returned to the wrestling and Catch Wrestling Association. He made his debut that year for
Verband der Berufsringer in Germany. Catch folded in 1999 and Zrno retired from wrestling in 2000. Zrno, returned for one night wrestling Karsten Kretschmer at Verband der Berufsringer in a no-contest. ==Championships and accomplishments==