After the end of the Africa Cup of Nations, Bounedjah cut off his holiday early to prepare for the new league season, which had an early start. On 13 August 2019, Bounedjah and his team qualified for the quarter-finals of the AFC Champions League after winning against rivals Al-Duhail; he registered an assist for Akram Afif in the second leg. After missing two games because of the penalty and in his first Qatar Stars League match against Al-Shahania he scored ifour goals in the 7–1 win. On 11 December, he scored the first goal at the 2019 FIFA Club World Cup and earned the Man of the Match award for his performance in his side's 3–1 First Round win over 2019 OFC Champions League winners Hienghène Sport in extra time. He ultimately scored a tournament-high three goals as Al-Sadd ended sixth.