At Rotterdam he beat Ernests Gulbis in the first round but fell to Sergiy Stakhovsky in the second round .
At the 2015 Australian Open , Thiem lost in the first round to Roberto Bautista Agut .
At Rotterdam Thiem beat Ernests Gulbis in the first round but fell to Sergiy Stakhovsky in the second round .
At the 2015 Australian Open , Thiem lost in the first round to Roberto Bautista Agut .