He was accepted to the Queen Elisabeth Music Chapel(Belgium) in October 2010 with full scholarship and studied piano with Abdel Rahman El Bacha for four years.

After October 2014, he studies piano under the direction of Maria-Joāo Pires who invites him to the Partitura Project to share the stage on regular occasions the following year.

In January 2004, Mertol gave concerts at Newcastle (England) in February 2004, at New York including Carnegie Hall and Arkansas-Little Rock (USA).

He attended Gulsin Onay, Muhittin Demiriz, Idil Biret, Edna Golandsky, Dmitri Bashkirov, Jean-Claude Vanden Eynden and Oya Ünler’ s master-classes.

He played Mendelssohn's Concerto for Violin and Piano (Op.17) with Jean-Claude Casadesus and The Sinfonia Varshovia at the opening concert of Queen Elisabeth Musical Voyage 2011 in Istanbul.

In 2005 with the invitation of The Turkish Foreign Ministry he gave concerts in Jordan, in 2008 Lithuania and Switzerland in Geneva at Palais des Nations of UN.

The conductors he collaborated with are Augustin Dumay, Burak Tüzün, Ender Sakpınar, Gürer Aykal, Işın Metin, İbrahim Yazıcı, Kevin Griffiths, Modestas Pitrenas, Oğuzhan Kavruk and Rengim Gökmen.