Ma Ning, 43, is the only Chinese referee at the ongoing Qatar World Cup. He acted as the fourth official in six games during the group stage. /CFP

From Fuxin City, northeast China's Liaoning Province, Ma is a listed FIFA referee and also a teacher at Nanjing Sport Institute in Jiangsu Province. /CFP

He has gained extensive experience as an international referee since 2011, taking charge of games in Chinese Super League and AFC Asian Cup. /CFP

Ma is only the second Chinese referee to participate in the tournament after debuting in the 2002 World Cup 20 years ago. /CFP

China's Cao Yi and Shi Xiang are among the 69 assistant referees appointed by FIFA for the Qatar World Cup. /CFP