[1] He is the son of former Malaysian international badminton player Misbun Sidek.

[2] Misbun Ramdan won his first local title by upsetting Mohd Arif Abdul Latif, 21–18, 21–18 in the men’s singles final of the 2012 Pahang Open.

[4][5] In January 2013, Ramdan left Badminton Association of Malaysia (BAM) to train under his father, Misbun Sidek.

In April 2014, Ramdan was invited by BAM for the selection trials of Thomas Cup.

He came back in February 2017 to compete in the National Championships and reached the singles final.