[10] In the same month, Maledon took part in the Jordan Brand Classic Global Showcase at the Barclays Center in Brooklyn, where he scored 15 points.

[12] Maledon made his Pro A debut for the senior team on 30 September at age 16, playing one minute versus Cholet.

[9] He recorded 35 points and 11 assists on 7 January to help defeat the junior team of Gran Canaria in his final game in the tournament.

[9] On 6 October, Maledon recorded 15 points, four rebounds, and four assists, making six of seven field goal attempts, in an 88–64 victory over Fos Provence.

[23] He eclipsed his career high on 18 November versus Le Mans Sarthe, when he recorded 20 points, four assists, and two steals.

[27] On 12 May 2019, he scored a team-high 13 points in a 70–61 win over Le Mans in the French Cup championship and was named Final MVP.

[9] Entering the 2019–20 season, Maledon was considered the favorite to win the EuroLeague Rising Star award by the league's website.

[35] On 14 February, Maledon matched his career high in scoring with 20 points in an 88–59 victory over Metropolitans 92 at the LNB Pro A Leaders Cup semifinals.

[7] Maledon finished the season averaging 7.3 points, 2.7 assists, and 1.9 rebounds in 17.3 minutes per game, through 46 combined appearances in the EuroLeague, Pro A and Leaders Cup.

[37] On 8 December 2020, Maledon's draft rights were traded to the Oklahoma City Thunder,[38] and the next day, he signed a contract.

[39] On 30 September 2022 Maledon was traded, along with Derrick Favors, Ty Jerome, Maurice Harkless, and a future second-round pick, to the Houston Rockets in exchange for David Nwaba, Sterling Brown, Trey Burke, and Marquese Chriss.

[45][46] However, he did not make his debut with the team until 8 February 2024, playing in only a minute and 14 seconds left of the Suns' 129–115 win over the Utah Jazz.

[59] On 24 February 2019, Maledon debuted for the French senior national team during the 2019 FIBA World Cup qualification stage.

[60] On 7 August, Maledon scored 14 points, making 4–of–5 field goal attempts, in a 94–56 victory over Tunisia in preparation for the World Cup.

[62] Both of Maledon's parents played basketball: his mother, Sylvie, with the French junior national team, and his father, Claude, in the NM1.