The Brazilian side dominated from start to finish on a chilly evening at a half-empty Lincoln Financial Field, with Esperance managing only two attempts on goal.
Giorgian de Arrascaeta and Luís Araújo scored in each half, securing a win for the Copa Libertadores holders.
Giorgian de Arrascaeta scored Flamengo’s opening goal in their 2-0 win vs. Espérance Tunis (🇹🇳) in their first group game of the Club World Cup on Monday night.
The Mengão No10 now has 14 goals for club and country in 2025.pic.twitter.com/BbedPGi16w
— Warriors of Uruguay (@UruguayanHeroes) June 17, 2025
The loss puts pressure on Esperance, who need a positive result against Los Angeles FC in their next match to keep their qualification hopes alive.
The North African side are looking to bounce back after being defeated in their return to global competition.
The win puts Flamengo level on points with Chelsea at the top of Group D, after the London club also secured a 2-0 victory over LAFC earlier in the day.
Flamengo and Chelsea meet on Friday in a match likely to determine the group winner.
Esperance and Los Angeles are now at the bottom of their pool with no point after initial losses.
Mokwana surely hopes to start in the next game against Los Angeles FC on June 20.
The Major Soccer League side suffered a loss as well against Chelsea, meaning another defeat for either side will bring their World Cup journey to an end.