Complex sentence: Hwang scored his first professional goal against Gangwon FC on 2 May 2010, and went on to score a second in the 1-2 away loss to Chunnam Dragons on 7 November 2010.
Split into simpler sentences: Hwang scored his professional first goal against Gangwon FC on 2 May 2010. He scored his K-League 2nd goal in the 1-2 away loss to Chunnam Dragons on 7 November 2010.