In the first round , he defeated Chinese qualifier Wu Di .
In February , Matosevic was seeded number 1 for the 2011 Caloundra International , on the ATP Challenger Tour .
In the first round , Matosevic defeated Chinese qualifier Wu Di .
In February , Matosevic was seeded number 1 for the 2011 Caloundra International , on the ATP Challenger Tour .