He was the inaugural World Boxing Association (WBA) bridgerweight champion but was subsequently stripped after testing positive for banned substance.
[citation needed] He began competing among seniors in 2010 and twice won bronze medals at the Russian championships, losing the semifinals to Egor Mekhontsev in 2010 and to Nikita Ivanov in 2011.
[citation needed] In 2014, Tishchenko again won the Russian National championships, beating in finals; then European champion Aleksei Yegorov.
In October, he would repeat his success; winning the gold at the 2015 World Championships in Doha, Qatar, defeating Erislandy Savón of Cuba in the finals.
[3] In the 2016 Olympics he again won a gold medal after defeating Kazakhstan's Vasily Levit on a controversial unanimous decision in the final.
The fight was scheduled for the undercard of the Dmitry Kudryashov and Ilunga Makabu cruiserweight bout, and was broadcast by Match TV.
[13] Tischenko faced John McCallum for the vacant WBO European cruiserweight title on 7 November 2020, on the undercard of the Magomed Kurbanov and Dmitry Mikhaylenko super welterweight bout.
[15] Tischenko was scheduled to challenge the reigning WBA (Regular) cruiserweight champion Ryad Merhy on 26 March 2022, at the RCC Boxing Academy in Yekaterinburg, Russia.