The players have been accused of trying to fix matches with a former coach who worked with each of them at some stage.
According to ZDF Aslan Karatsev and Nikoloz Basilashvili are under investigation for match fixing.
The 27-year-old has already stunned many with his tennis this year but is he a contender to win an Olympic medal?
Aslan Karatsev will break into the top 30 of the ATP rankings next week after winning the title in Dubai.
Prior to this year, the world No.114 has never played in the main draw of a Grand Slam and now he is in the semi-finals.
Aslan Karatsev continued his dream run as he reached the Australian Open Quarter-Finals.
Andrey Rublev won a tough NextGen clash, as he defeated Stefanos Tsitsipas 62 36 76. The young Russian had seemed in control in the first set,...
Chennai Qualifying: Somdev Devvarman managed to turn a match around against James Ward 2-6, 7-5, 6-4. Ward had come out of the blocks hot, as he...
Inigo Cervantes, who ended last season on a high by winning the ATP Challenger Tour Finals, has not started 2016 nearly as well. The twenty-six year-old,...
