[11] In 2018, Ardianto and Alfian competed on the BWF World Tour, and won titles at the Malaysia Masters and the Syed Modi International,[12][13] and at the 2019 Swiss and Korea Opens.

[3] In January, the Ardianto and Alfian partnership won their first Super 1000 tournament at the Malaysia Open by defeating Chinese pair Liang Weikeng and Wang Chang.

[35] In the following week, as the last man stand, they were defeated in the semi-finals of India Open by 3rd seed Malaysian pair Aaron Chia and Soh Wooi Yik, and made Indonesia going home empty handed.

[36] They competed in the home tournament, Indonesia Masters, but unfortunately lost in the quarter-finals from 5th seed Chinese pair Liu Yuchen and Ou Xuanyi.

[40] In late April, Ardianto competed at the Asian Championships in Dubai, United Arab Emirates, but had to lose in the quarter-finals from 8th seed Malaysian pair Ong Yew Sin and Teo Ee Yi.

[44] In the next tour, they competed at the home tournament, Indonesia Open, but lost in the quarter finals from 7th seed and eventual champions Indian pair Satwiksairaj Rankireddy and Chirag Shetty in straight matches.

[45] In July, Ardianto competed at the Korea Open, but lost in the final against 3rd seed Indian pair Satwiksairaj Rankireddy and Chirag Shetty for second times in a row.

[47] In early August, Ardianto competed at the Australian Open, but had to lose in the quarter-finals from 8th seed Korean pair Kang Min-hyuk and Seo Seung-jae in rubber games.

[48] In late August, he competed at the World Championships, but lost in the second round from Taiwanese pair Lee Jhe-huei and Yang Po-hsuan in straight games.

[49] Making his second appearance at the Asian Games in Hangzhou,[50] Ardianto failed to bring home any medals after losing in the quarter-finals in both the men's doubles and team events.

[53] Their results improved slightly at the Indonesia Masters, where they bowed out in the semi-finals to teammates and eventual champions Leo Rolly Carnando and Daniel Marthin.

[57] It took months to win their second title, where in November they emerged victorous in the Japan Masters beating host pairing Takuro Hoki and Yugo Kobayashi.

[63][64] They manage to recover well in their home ground Indonesia Masters by advancing to the final before losing to Man Wei Chong and Tee Kai Wun with the score 19–21, 11–21.