Gonya started his career on June 2011. His career record to date stands at 6 wins and he remains unbeaten. Gonya's longest KO streak is 2 fights long out of his 6 career fights.
A successful pro debut for Siboniso, Gonya showed his superior boxing talent against Sakhile Shangase, becoming the first person to go the full distance with him. Taking his record to 3 wins, Gonya won his next 3 fights continuing his successful career.
Next was Mthunzi Dlamini on December 3rd, 2011 where Gonya took the win continuing his unbeaten streak. Gonya was the first person to go the distance with Dlamini. Gonya fought Mthunzi Dlamini in 2011, the result was a solid win to Gonya. Gonya then went on to face Sikhumbuzo Xulu where he added another win to his tally.
Next was Sibongeseni Sibiya on August 18th, 2012 where Gonya took the win continuing his unbeaten streak. Sibiya was stopped in the 1st round via TKO meaning Gonya was the 4th person to stop this opponent.
Siboniso Gonya retained his unbeaten record in his most recent fight by beating Shadrack Makama on August 31st, 2013, increasing his record to 6 wins. Shadrack Makama was Gonya's next opponent of his career with the fight taking place on August 31st, 2013. The fight was scheduled to last for 6 and Gonya was the 4th person to go the full distance with Makama and the fight ended in a win for Gonya.