Russian tennis pro Andrey Rublev loosened his opening hat at the Hamburg Red Tree tournament.
The five-year-old in position 22-year-old beat the American Tennys Sandgren with 6:3, 6:3. Rublev had recently entered the quarter-finals at the US Open and had failed at his fellow countryman Daniil Medvedev, who was also starting in Hamburg.
Gilles Simon, winner of the tournament of 2011, had previously had to pack his things. The Frenchman was subjected to the Czech Jiri Vesely with 5:7, 2:6. In addition, the American Tommy Paul entered the eighth finals with a 6:4, 0:6, 6:4 against the South African Kevin Anderson and the Uruguayan Pablo Cuevas with a 6:4, 6:2 success over Taylor Fritz from the USA.
The German pros Jan-Lennard Struff, Dominik Koepfer, Philipp Kohlschreiber and Yannick Hanfmann all contest their first-party parties on Tuesday.