<prompt> Bhala ukuqhubeka kwalesi sigaba - Emjahweni wakhe wokuqala, i-Australian Grand Prix, uKarthikeyan wafaneleka endaweni ye-12. Ngemuva kwesiqalo esibi esambona ewela endaweni ye-18 ekupheleni komjikelezo wokuqala, waqeda endaweni ye-15, imijikelezo emibili ngemuva komnqobi uGiancarlo Fisichella. Wathola amaphuzu akhe okuqala ku-2005 United States Grand Prix lapho wonke amaqembu ngaphandle kwamathathu ahoxa ngenxa yengxabano mayelana nokuphepha kwamathayi. Waqeda endaweni yesine, eqeda phambi kwabashayeli ababili beMinardi kodwa ngemuva komlingani wakhe Monteiro. Ngaphandle kwe-USGP, ukuphela kwakhe okuphezulu kwaba yindawo ye-11. Ngo-2005 eJapan Grand Prix ukuqeqeshwa kwamahhala, wayeshesha kakhulu isikhathi eside futhi ekugcineni wafaneleka ngo-11. E-Grand Prix yaseChina ngo-2005  <response>: wafaneleka endaweni ye-15. Ekupheleni okungajabulisi kwesizini yakhe ka-2005, uKarthikeyan washayisa iJordani lakhe odongeni emjahweni waseChina, kodwa akazange alimale futhi wakwazi ukunikeza ingxoxo ngemuva kwalokho. 