After Issoufou moved to an uncle's home in Togo four years later, he eventually got back into the sport by borrowing a friend's dobok.

Eventually Issufou managed to get the support from the International Olympic Committee and train outside Africa, moving to the Taekwondo Competence Center in Friedrichshafen, Germany.

[3] During the taekwondo tournament, Issoufou got to the finals, making him Niger's first medallist since Issake Dabore in the 1972 Summer Olympics.

Despite losing the gold to Radik Isayev of Azerbaijan, Issoufou's silver medal was the best result ever by a Nigerien at the Olympic Games.

[6] At the 2021 African Taekwondo Championships held in Dakar, Senegal, he won the men's +87 kg event gold medal.