Gaolang has proven himself as the superior martial artist. What really fucked Carlos up, though, was Gaolang blocking his heel with his fist. The first time Carlos almost got hit by Gaolang, he was forced to reveal his capoeira to dodge, but after Gaolang deflected his attempt to shatter his fist, he was forced into boxing again and got taken care of in short order.
I assumed last time that he was still fine for capoeira, but it seems like his foot got damaged hard enough that he could only really walk on them? That or after checking his foot’s condition, he got locked into boxing by Gaolang taking control of the flow of the fight, like he did before against Agito. Either or, I suppose.
At any rate, I wouldn’t hold this against Carlos, since he was doing just fine dodging and chipping away at Gaolang until that mistake. His physique just makes it really easy for him to deteriorate fast after the first few hits.