For second tournament in a row Grigor Dimitrov will play with Filip Prpic (Sweden) as doubles partner. Dimitrov / Prpic will play their first round match of the doubles of the Knoxville Challenger in Tennessee on Tuesday or Wednesday against the Americans Alex Kuznetsov and Jesse Witten.

Last week Dimitrov/Prpic passed the first round but were defeated in the quarterfinals in the ATP Challenger in Charlottesville, USA.