Claim: The 2016 Ethias Trophy, a professional tennis tournament played on hard courts, was participated by players from different countries including Ukrainian Illya Marchenko, German Dustin Brown, French Paul-Henri Mathieu, and many more.
Evidence: The 2016 Ethias Trophy was a professional tennis tournament played on hard courts. 
UKR Illya Marchenko GER Dustin Brown FRA Paul-Henri Mathieu