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Novak Djokovic loses World No 1 ranking after quarter-final defeat to qualifier Jiri Vesely in Dubai | Daily Mail Online
![Czech tennis player Jiri Vesely in action against Dmitry Popko of Kazakhstan during the UniCredit Czech Open in Prostejov, Czech Republic, June 6, 2017. (CTK Photo/Ludek Perina Stock Photo - Alamy Czech tennis player Jiri Vesely in action against Dmitry Popko of Kazakhstan during the UniCredit Czech Open in Prostejov, Czech Republic, June 6, 2017. (CTK Photo/Ludek Perina Stock Photo - Alamy](https://c8.alamy.com/comp/JAF4N7/czech-tennis-player-jiri-vesely-in-action-against-dmitry-popko-of-JAF4N7.jpg)
Czech tennis player Jiri Vesely in action against Dmitry Popko of Kazakhstan during the UniCredit Czech Open in Prostejov, Czech Republic, June 6, 2017. (CTK Photo/Ludek Perina Stock Photo - Alamy
![Prostejov, Czech Republic. 6th June, 2015. Czech tennis player Jiri Vesely won the final match against Serbian Laslo Djere during the UniCredit Czech Open challenger men's tournament in Prostejov, Czech Republic, June Prostejov, Czech Republic. 6th June, 2015. Czech tennis player Jiri Vesely won the final match against Serbian Laslo Djere during the UniCredit Czech Open challenger men's tournament in Prostejov, Czech Republic, June](https://c8.alamy.com/comp/ERRXYD/prostejov-czech-republic-6th-june-2015-czech-tennis-player-jiri-vesely-ERRXYD.jpg)
Prostejov, Czech Republic. 6th June, 2015. Czech tennis player Jiri Vesely won the final match against Serbian Laslo Djere during the UniCredit Czech Open challenger men's tournament in Prostejov, Czech Republic, June
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