Having started off in the pro game in February 2010 and having built a perfect unbeaten record of 25-0-0, Zewski (age 30) now looks to move into the later stages of his career and step up against some of the top prospects in the division. Zewski's longest KO streak is 10 fights long out of his 25 career fights.
Zewski didn't take long to get comfortable in the pro game, becoming the first person to stop Kelvin Kibler (a 1 fight pro) via TKO in the 3rd round. Zewski rise in boxing continued with 13 wins against fighters such as Ruben Galvan, Ardrick Butler and Gundrick King.
On May 1st, 2010 Zewski fought and beat Alex De leon (2-1-1) to continue his unbeaten streak. Continuing his career, Zewski fought Alex De leon in 2010 over 4 rounds. Zewski was the 3rd person to go the distance with Alex De leon. 6 wins followed for Zewski including being the 4th person to go the distance with Ardrick Butler, 6th person to go the distance with Clint Coronel and 7th person to stop Leonardo Rojas (Round 2 TKO).
Zewski entered his next fight with 9 wins and took this to 10 with a win against Ruben Galvan on May 21st, 2011. Galvan was stopped in the 3rd round via KO meaning Zewski was the 4th person to stop this opponent in his career. 4 wins followed where Zewski went on to be the 4th person to stop Gundrick King (Round 5 TKO), 2nd person to stop Joel Vargas and 4th person to stop Brandon Baue (Round 6 TKO).
Furthering his career, Zewski fought John ryan Grimaldo on June 9th, 2012 and advanced his winning streak to 15 wins. Zewski's fight against John ryan Grimaldo came in the 3rd round of a 8 round fight via KO. Zewski became the first person to stop Grimaldo. Zewski then went on to win a further 7 fights taking his record to 22 wins, 0 losses and 0 draws.
Zewski then went on to fight and beat Krzysztof Szot on January 18th, 2014 maintaining his unbeaten record. The win against Szot came in the 7th round of a 8 round fight via TKO. Zewski was the 2nd person to stop Szot.
Keeping his losses at zero, Zewski fought on June 28th, 2014 beating Prince Doku jr. The win came in the 4th round of a 10 round fight via KO. Zewski was the 3rd person to stop Prince in his career.
Mikael Zewski went into his latest fight with Roberto Ventura on October 4th, 2014 with 24 wins and he continued this winning streak taking it to 25 wins. Zewski was the 8th fighter to stop Ventura in round 2 of a 10 round fight, Zewski won via KO.