Karen Khachhanov, 10th racket, has suffered a surprise defeat in the first period of Shanghai's "Masters" men's.
The Armenian tennis player representing Russia lost to the 238th racquet of the world 6-7 and 3-6.
In the second round of the doubles, Khachhanov and Andrey Rubles have refused the match against Andre Goranson and Alex Michelings (Sweden, USA). The struggle will continue as a representative of the United States.
In the first part of the doubles, Russian representatives defeated Czech Adam Pavlasek and Brazilian Fernando Romboli.
