[2] As a first year professional in 2008, Matzka raced the Rund um den Henninger Turm U23 where he came fourth after being dropped from the leading group but winning the bunch sprint.
[3] Matzka was banned by the UCI from 3 March 2016 to 27 November 2018 after testing positive for Tamoxifen.
His failed test was announced by Bora–Hansgrohe in 2017 although he did not ride for them.
[4] It wasn't until January 2018 that Matzka was given a proper suspension, which was retroactively applied to his career.
This biographical article related to a German cycling person born in the 1980s is a stub.