Ronan made his Equatorial Guinea national team debut on 26 February 2006 in a friendly match against Benin in Cotonou.
Ronan also played some friendly matches of category B between 2005 (vs. the team of Pará de Minas)[REF] and 2007 (vs. the Region of Murcia and Extremadura)[REF][REF] and two in 2011 (vs. the French sides RSC Monteuil and FC Issy-les-Moulineaux) [REF].