Career
Muzaev made his Association of Tennis Professionals main draw debut at the 2015 Kremlin Cup where he received entry to the doubles main draw as a wildcard entrant, partnering Anton Zaitcev.
Muzaev made his Association of Tennis Professionals main draw debut at the 2015 Kremlin Cup where he received entry to the doubles main draw as a wildcard entrant, partnering Anton Zaitcev.
Muzaev has a career high Association of Tennis Professionals singles ranking of 560 achieved on 20 October 2014. He also has a career high Association of Tennis Professionals doubles ranking of 443 achieved on 16 February 2015. He has won two International Tennis Federation singles titles and six International Tennis Federation doubles titles.