Ishikawa was booked to face Kanongsuk Weerasakreck at AJKF Norainu Dengekisakusen on June 22, 2008. Kanongsuk snapped Ishikawa's three fight winning streak, as he won the fight by a fourth-round technical knockout. Ishikawa faced Phetek Sor.Suwanpakdee at AJKF SWORD FIGHT 2008 ～Japan VS Thailand～ on September 19, 2008. He lost the fight by a second-round technical knockout.
