Dominic Thiem of Austria (4) in action during his defeat by Gregor Dimitrov of Bulgaria (6) in the Group Pete Sampras Match today - Dimitrov def Thiem 6-3, 5-7, 7-5<br /> <br /> Photographer Ashley Western/CameraSport<br /> <br /> International Tennis - Nitto ATP World Tour Finals - O2 Arena - London - Day 2  - Monday 13th November 2017<br /> <br /> World Copyright &not;&copy; 2017 CameraSport. All rights reserved. 43 Linden Ave. Countesthorpe. Leicester. England. LE8 5PG - Tel: +44 (0) 116 277 4147 - admin@camerasport.com - www.camerasport.com
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