Asier Olaizola Apezetxea, also known as OlaizolaI, is a pelotari in the first category of hand-pelota.

His brother is pelotari Aimar Olaizola. During his professional career Olaizola won the doubles hand-pelota championships of 1999 and 2001, and earned subchampionships in 2002 and 2007.

Doubles hand-pelota championship finals Year Champions Subchampions score Fronton1999 Olaizola I - ElkoroGoñi II - Zezeaga22-15Adarraga2001 Olaizola I - Goñi IIIAlustiza - Beloki22-13Atano III2002Xala - Lasa IIIOlaizola I - Patxi Ruiz22-19Atano III2007Xala - Martínez de EulateOlaizola I - Beloki22-18Ogueta

References