 Nyorai mberi kweiyi ndima - Muna Kubvumbi 2006, Roth akatengesa zvishandiso zvake zvePro Series uye akazivisa kuti aizoenda kuIndyCar Series yakazara-nguva, kutanga na2006 Indianapolis 500, zvisinei Roth akakundikana kukwikwidza kumakwikwi e500 mushure mekupwanya motokari yake mukudzidzira mukupera kwezuva reBump asati awana mukana wekukodzera. Akadzokera kumakwikwi eMichigan International Speedway muna Chikunguru uye akamhanya mimwe mijaho miviri pakupera kwegore. Muna 2007, akamhanya muIndy 500 uye mijaho miviri yapfuura. Roth akaita 12 kutanga muna 2008 IndyCar Series mwaka. Mune mimwe mijaho mishanu akadonha dzimwe nguva kanoverengeka uye akakundikana kutanga nhangemutange. Pakupera kwemwaka, anonzi akaudzwa nehutungamiri hweligi kuti rezinesi rake raisazovandudzwa muna 2009 achisiya basa rake mumutambo usina chokwadi. Roth anonzi akaisa chikwata chake kuti chitengeswe uye akazotengesa kuchikwata chitsva cheFAZZT Race Team. 