Conversation so far:
When did Gennady Golovkin's boxing career start?
Gennady Golovkin first stepped into the boxing competition in 1993.
Does the article say any of Gennady Golovkin's opponents' names?
Sergiy Derevyanchenko, Steve Rolls, Canelo Álvarez, and more
Are there any other interesting aspects about the Gennady Golovkin article besides his opponents' names?
As of December 2019, Gennady Golovkin is ranked as the world's best active middleweight by BoxRec and second by The Ring and the Transnational Boxing Rankings Board (TBRB).
Did Gennady Golovkin win any medals/awards?
Gennady Golovkin won a gold medal in the middleweight division at the 2003 World Championships. He represented Kazakhstan at the 2004 Summer Olympics, winning a middleweight silver medal.

Question: Who was his first fight with?
Self-contained rewrite: Who was Gennady Golovkin's first fight with?