Tihomir Ruslanov Grozdanov is a former professional Bulgarian tennis player. On 30 December 2013, he reached his highest ATP singles ranking of 394 whilst his best doubles ranking was 545 on 17 January 2011.

Yannick Mertens is a professional tennis player from Belgium who mainly has played on the ATP Challenger Tour. On 27 July 2015, he reached his highest ATP singles ranking of 179, and his highest doubles ranking of 363 was reached on 19 September 2011.