 On 22 March 2009, he finished as runner-up in the Caltanissetta Challenger tournament to compatriot Jesse Huta Galung, losing in straight sets.On 5 May 2009, as a qualifier and ranked 236, he defeated the 5th seed Rainer Schüttler in the first round of the BMW Open in Münich in straight sets, before losing to former world number one, Lleyton Hewitt.De Bakker would follow this up in the 2009 Ordina Open, by qualifying for the tournament and losing in the second round to Rainer Schüttler, after defeating Björn Phau in three tight sets.