NET
22 But Saul became more and more capable, and was causing consternation among the Jews who lived in Damascus by proving that Jesus is the Christ.
Darby
22 But Saul increased the more in power, and confounded the Jews who dwelt in Damascus, proving that this is the Christ.
KJV
22 But Saul increased the more in strength, and confounded the Jews which dwelt at Damascus, proving that this is very Christ.