Arthur De Greef is a former Belgian tennis player. De Greef has a career-high ATP singles ranking of No. 113, achieved on 19 June 2017 and has a career high ATP doubles ranking of No. 597 achieved on 4 March 2013. From Wikipedia
Players admit to corruption, receiving suspensions up to four years 10 months and fines; Investigation wraps up Belgian part of match-fixing syndicate, led by now-jailed Grigor Sargsyan.
