Ikhsan Leonardo Imanuel Rumbay (born 15 January 2000) is an Indonesian badminton player, who also plays for the PB Djarum club in the national event. He also attended Special Sports School Ragunan.
Rumbay started his senior tournament at the 32nd Brazil International. He played from the qualification round and made it to quarter final where he lost to Jason Ho-shue 15–21 18–21. A week later, he played at the III Peru International Series where he became runner-up to Luis Ramon Garrido. In December 2017, he clinched the boys' singles title at the Junior National Championships in Pangkal Pinang, after beat Gatjra Piliang Fiqihilahi Cupu in the straight game. Rumbay was part of the national junior team that won the bronze medals at the 2018 Asian Junior Championships in the team and singles event.
Rumbay represented his country competed at the 2018 Summer Youth Olympics in Buenos Aires, Argentina, but lost to Lakshya Sen of India in the quarter final. He participated at the World Junior Championships in Markham, Canada, and helps the team won the bronze medal.
Asian Junior Championships
BWF International Challenge/Series (2 titles, 1 runner-up)
|2019||Indonesia International||Sony Dwi Kuncoro||21–13, 21–15||Winner|
|2018||Turkey International||Emre Lale||21–9, 21–14||Winner|
|2017||Peru International||Luis Ramón Garrido||18–21, 14–21||Runner-up|
- BWF International Challenge tournament
- BWF International Series tournament
- BWF Future Series tournament
- Junior level
- Junior level
|World Junior Championships||R3||R4|
|Youth Olympic Games||N/A||QF|
- Senior level
|BWF World Tour|
|Indonesia Masters||A||Q2||Q2 (2019)|
|Lingshui China Masters||A||R1||R1 (2019)|
|Hyderabad Open||R3||R3||R3 (2018, 2019)|
|Chinese Taipei Open||A||Q2||Q2 (2019)|
|Vietnam Open||A||R2||R2 (2019)|
|Indonesia Masters Super 100||QF||QF||QF (2018, 2019)|