Rafael Yunier Alba Castillo, an athlete from Santiago de Cuba, has made significant strides in taekwondo. He began his journey in the sport during the sixth grade at school in Alamar, Cuba. Currently, he trains with CEAR Giraldo Cordova Cardin in Havana under the guidance of national coach Rene Garcia Coffigny.

| Season | Event | Rank |
|---|---|---|
| 2021 | Men's Heavyweight +80kg | B Bronze |
| 2016 | Men's Heavyweight +80kg | Quarterfinal |
Alba Castillo's sporting philosophy is centred on strategic play. He believes that close fights are common at the top level. When ahead by three or four points, he focuses on preserving that advantage by maintaining distance and defending. This approach minimises unnecessary risks and increases the chances of victory.
Alba Castillo is affiliated with CEAR Giraldo Cordova Cardin in Havana. His training regimen is overseen by national coach Rene Garcia Coffigny. This structured environment has been instrumental in honing his skills and preparing him for high-level competitions.
Looking ahead, Alba Castillo aims to win a medal at the 2020 Olympic Games in Tokyo. This goal reflects his commitment to achieving excellence on the international stage.
Known by the nickname "Pocho," Alba Castillo is fluent in both English and Spanish, which aids him in navigating international competitions and interactions. His journey from Alamar to representing Cuba on global platforms showcases his dedication and passion for taekwondo.
Rafael Yunier Alba Castillo, an athlete from Santiago de Cuba, has made significant strides in taekwondo. He began his journey in the sport during the sixth grade at school in Alamar, Cuba. Currently, he trains with CEAR Giraldo Cordova Cardin in Havana under the guidance of national coach Rene Garcia Coffigny.