Pantano won one race for A.C. Milan at the Magny-Cours round. Pantano was linked to a return to the IndyCar Series in 2010, driving a Panther Racing entry. He instead signed on to drive in Auto GP for Super Nova Racing, finishing 13th in the championship. Pantano returned to the IndyCar Series in 2011 as an injury replacement for Justin Wilson in races at Sonoma and Baltimore, and did not consider to racing again in Europe in the near future. Pantano made a brief return to IndyCar in 2012, racing at the 2012 Honda Indy 200 at Mid-Ohio for Chip Ganassi Racing. He finished 14th after qualifying in 24th place. In 2013 Pantano competed in the International GT Open GTS class and won the championship with three wins and five podium finishes in 13 races. He subsequently switched to the Blancpain Sprint Series for 2014, sharing a Bhaitech-run McLaren MP4-12C with Fabio Onidi, with a view to pursuing a career as a sportscar racer. He also secured a drive at the 2014 Spa 24 Hours for Thierry Boutsen's Boutsen Ginion team, sharing a McLaren with Frédéric Vervisch, Olivier Grotz and Karim Ojjeh.