Then , in the second round of the Antalya Open , he was stunned by qualifier Ramkumar Ramanathan , then ranked 222 in the world .
At the beginning of the grass court season , Thiem reached the second round of the Halle Open , losing to Robin Haase .
In the second round of the Antalya Open , Thiem was stunned by qualifier Ramkumar Ramanathan , then ranked 222 in the world .
At the beginning of the grass court season , Thiem reached the second round of the Halle Open , losing to Robin Haase .