SHANGHAI, China - Ferrari's early season woes worsened on Friday after two poor practice sessions again left Fernando Alonso admitting that his much-maligned car was well short of challenging at the 2012 Chinese F1 GP.The double World champion might be top of the Drivers' standings, courtesy of the rain-drenched race in Malaysia, the second GP of the year, but he's under no illusions. He was a disappointing 11th-fastest in first practice in Shanghai and 10th in the second. His team mate Felipe Massa found it even harder going: 17th in the afternoon.'NOT FANTASTIC'"We definitely lack a bit of performance," Alonso said. "We will try to find it on Saturday, as well as trying to sort out the balance of the car, especially in terms of grip. There's a lot to do if we want to have a good qualifying."Massa, whose place at Ferrari is said to be under threat for 2013, was equally dispirited."You definitely couldn't define today as being fantastic," he said. Stay with Wheels24 for the Formula 1 weekend.