Although beaten, Ryan Kielczweski has gained plenty of experience over 24 fights and a 10 year long career so far. He now moves on to see just how far he can go as he approaches the later stage of his career. Kielczweski's longest win streak is 21 fights between August 2008 and November 2014. His longest KO streak in his 24 fights is 2 fights long.
Kielczweski's pro career began against Raphael Luna (0-1-1) in a 4 round contest. Kielczweski got the UD win via a judges decision. Kielczweski continued on his journey to success by fighting 2 times in 2008, 4 times in 2009 and 6 times through 2010 and 2011 beating fighters such as Willie Villanueva, James Lester and Juan Nazario in his next 12 fights.
Kielczweski then went on to fight and beat Benjamin Borteye on January 30th, 2009 maintaining his unbeaten record. Showing his class against Borteye, Kielczweski was the 2nd person to go the distance with this opponent. 13 wins followed where Kielczweski went on to be the 5th person to go the distance with Israel Suarez, 6th person to go the distance with Jeremy Mclaurin and 6th person to go the distance with Juan Nazario.
Miguel Soto was up next for Kielczweski on July 19th, 2013. Kielczweski continued with his winning streak by beating Soto. Soto was a worthy challenger but Kielczweski was too much and became the first person to stop Soto via TKO during round 5. Kielczweski then went on to win a further 4 fights taking his record to 21 wins, 0 losses and 0 draws.
Taking the first knock of his career, Kielczweski fought Danny Aquino on April 17th, 2015 and was defeated by Aquino. Kielczweski's technical boxing ability was put to the test as he got outpointed in the 8 round fight against the better man. Aquino gave Kielczweski his first professional loss of his 22 fight career to date.
Mario Macias was the next fight for Kielczweski on April 16th, 2016 and also his next career win. Kielczweski secured the win over Macias after the final bell via UD, resulting in Kielczweski being the 18th person to defeat Macias.
Ryan Kielczweski went into his fight with Miguel angel Mendoza on September 8th, 2018 with 22 wins and he added another win to his record taking it to 23 wins by beating Mendoza. Kielczweski was the 5th fighter to stop Mendoza in round 3 of a 8 round fight, Kielczweski won via KO.