Pieter ("Piet") Aldrich is a former professional tennis player from South Africa. A doubles specialist, he won two Grand Slam men's doubles titles and became the world No. 1 in doubles in 1990.
Raemon Sluiter is a Dutch former professional tennis player and current coach. His career-high ATP singles ranking is World No. 46, achieved in February 2003. Though he achieved only limited success during his professional career, Sluiter reached four ATP finals in his native Netherlands, and also reached the semi-finals of the Davis Cup with the Dutch team in 2001.
Kristian Peter Pless is a former professional male tennis player from Denmark.
Paolo Lorenzi is an Italian former professional tennis player and former Italian number 1. He was coached by Claudio Galoppini. At the age of 34 years and seven months, Lorenzi became the oldest first-time champion in ATP history when he won the title at the 2016 Generali Open Kitzbühel.
Thomas Fabbiano is an Italian former tennis player who played mostly on the ATP Challenger Tour. On 11 September 2017, he reached his then-highest ATP singles ranking of 70. His highest doubles ranking was 208 on 20 July 2009.
The 2011 BRD Năstase Țiriac Trophy was a tennis tournament played on outdoor clay courts. It was the 19th edition of the BRD Năstase Țiriac Trophy tournament, and was part of the ATP World Tour 250 Series of the 2011 ATP World Tour. It was held in Bucharest, Romania, 17–23 September 2011.
Denys Petrovych Molchanov is a Ukrainian tennis player competing on the ATP Challenger Tour. He has won two ATP doubles titles. He has also won 15 ITF singles and 66 doubles titles, 36 of them Challengers. On 5 January 2015 he reached his highest ATP singles ranking of World No. 169, whilst his highest doubles ranking of No. 61 was reached on 30 October 2023. He also played for the Ukraine Davis Cup team. Staff is:
Peter Gojowczyk is a German former professional tennis player. He achieved a career-high ATP singles ranking of world No. 39 in June 2018. He won one ATP singles title and reached two more finals.
Austin Krajicek is an American professional tennis player. He has been ranked as high as world No. 1 in doubles by the Association of Tennis Professionals (ATP), which he first achieved in June 2023, and he also attained his career-high singles ranking of world No. 94 in October 2015.
Kimmer Coppejans is a Belgian tennis player. His highest ATP singles ranking is world No. 97, achieved in June 2015. Coppejans competes mainly on the ATP Challenger Tour circuit. He is currently the No. 3 Belgian singles tennis player.
Roberto Carballés Baena is a Spanish professional tennis player. He achieved a career-high ATP singles ranking of world No. 49 on 10 April 2023 and a career-high doubles ranking of world No. 127 on 2 March 2020. Carballés Baena's preferred surface is clay, on which he has won two ATP titles and 11 Challenger titles in singles, and one ATP title in doubles.
Emilio Gómez Estrada is an Ecuadorian professional tennis player competing primarily on the ATP Challenger Tour. On 20 February 2023, he reached his highest ATP singles ranking of world No. 90 and a doubles ranking of world No. 254, achieved on 14 September 2015. He is currently the No. 3 Ecuadorian tennis player.
The 2017 ZS-Sports China International Challenger was a professional tennis tournament played on clay courts. It was the 2nd edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Qingdao, China between 17 and 23 April 2017.
Mats Hans Moraing is a German professional tennis player. He achieved his career high ATP singles ranking of world No. 115 on 23 May 2022.
Jurij Rodionov is an Austrian professional tennis player. He has a career high ATP singles ranking of World No. 87 achieved on 19 February 2024. He also has a career high doubles ranking of World No. 268 achieved on 15 July 2019. He is currently the No. 3 Austrian player.
The 2019 Koblenz Open was a professional tennis tournament played on indoor hard courts. It was the third edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Koblenz, Germany between 14 and 20 January 2019.
The 2019 Garden Open was a professional tennis tournament played on clay courts. It was the eleventh edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Rome, Italy between 6 and 12 May 2019.
The 2019 Samarkand Challenger was a professional tennis tournament played on clay courts. It was the 23rd edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Samarkand, Uzbekistan between 13 and 19 May 2019.
The 2019 Moneta Czech Open was a professional tennis tournament played on clay courts. It was the 26th edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Prostějov, Czech Republic between 3–9 June 2019.
The 2019 Internationaux de Tennis de Blois was a professional tennis tournament played on clay courts. It was the seventh edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Blois, France between 17 and 23 June 2019.
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