Kownacki started his career aged 20 on October 2009. His career record to date stands at 8 wins and he remains unbeaten. Kownacki's longest win streak is 8 fights between October 2009 and August 2015. His longest KO streak in his 8 fights is 8 fights long.
In a memorable debut Kownacki gained a TKO win against Carossee Auponte in a 4 round contest, becoming the 3rd person to stop Auponte. Kownacki continued on his successful journey by fighting and beating his next 4 fights.
Next was Yohan Banks on May 22nd, 2010 where Kownacki took the win continuing his unbeaten streak. Becoming the 2nd fighter to stop Banks, Kownacki beat Banks via KO in the 4th round of a 4 round fight. Kownacki took on another 2 opponents next, racking up wins against Calbert Lewis and Damon Clement.
Charles Ellis was up next for Kownacki on August 2nd, 2014. Kownacki continued with his winning streak by beating Ellis. Becoming the first person to stop Charles Ellis, Kownacki beat Ellis via TKO in the 5th round of a 6 round fight.
Maurenzo Smith was beaten by Adam Kownacki in Kownacki's most recent fight on August 1st, 2015 to ensure his unbeaten run continued. Kownacki beat Maurenzo Smith in the 2nd round of a 8 round fight via KO. Kownacki was the 6th fighter to stop Smith.