Fadillah joined the Djarum badminton club in 2015. In that same year, Hidayat and Fadillah were also runners-up at the German Junior International, losing in the finals to their opponents whom they previously beaten in the Dutch Junior. In 2021, they were runners-up at the Denmark Junior International Series.
2022 In 2022, Fadillah and Hidayat won the
Lithuanian International after beating
Kenji Lovang and
Léo Rossi in the final. In October, he participated in the
Suhandinata Cup, where he won all his matches during the competition, and Indonesia team captured the bronze medal. In late November, they participated in Bahrain tournament and reach semi-finals of
Bahrain International Series and won the
Bahrain International Challenge.
2023 In January, Fadillah and Hidayat played at the home tournament,
Indonesia Masters, but had to lose in the qualifying round. In the next tournament, they lost in the quarter-finals of the
Thailand Masters from 3rd seed fellow Indonesian pair
Muhammad Shohibul Fikri and
Bagas Maulana in rubber games. == Achievements ==