The 2021 Amex-Istanbul Challenger was a professional

tennis Tennis is a List of racket sports, racket sport that is played either individually against a single opponent (singles (tennis), singles) or between two teams of two players each (doubles (tennis), doubles). Each player uses a tennis racket st ...

tournament played on

hard courts A hardcourt (or hard court) is a type of surface or floor on which a sport is played, most usually in reference to tennis courts. It is typically made of rigid materials such as asphalt or concrete, and covered with acrylic resins to seal the surf ...

. It was the 34th edition of the tournament which was part of the

2021 ATP Challenger Tour The ATP Challenger Tour in 2021 in tennis, 2021 was the secondary professional tennis circuit organized by the ATP. The 2021 ATP Challenger Tour calendar comprised 147 tournaments with prize money ranging from $36,680 up to $156,240. It was the 44 ...

. It took place in

Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...

, Turkey between 18 and 24 January 2021.

Singles main-draw entrants

Seeds

* ¹ Rankings are as of 11 January 2021.

Other entrants

The following players received wildcards into the singles main draw: *

Altuğ Çelikbilek Altuğ Çelikbilek (; born 7 September 1996) is a Turkish professional tennis player. He has a career high ATP singles ranking of world No. 154 achieved on 21 February 2022. He also has a career high ATP doubles ranking of No. 224, achieved on 2 ...

Cem İlkel Cem Ilkel (born 21 August 1995) is a Turkish professional tennis player. He has a career high ATP singles ranking of No. 144 achieved on 29 November 2021. He also has a career high ATP doubles ranking of No. 299 achieved on 27 August 2018. He is ...

Ergi Kırkın Ergi Kırkın (born 27 January 1999) is a Turkish tennis player. He has a career high ATP singles ranking of world No. 251 achieved on 6 May 2024. He has won 9 ITF singles titles. He also has a career high ATP doubles ranking No. 300 achieved on ...

The following players received entry from the qualifying draw: * Jay Clarke *

João Menezes João Magalhães Hueb de Menezes (born 17 December 1996) is a Brazilian inactive professional tennis player. He has a career-high ATP singles ranking of world No. 172 achieved on 17 February 2020. He also has a career high doubles ranking of No. ...

Arthur Rinderknech Arthur Rinderknech (; born 23 July 1995) is a French professional tennis player. He has a career-high ATP singles ranking of world No. 42, achieved on 31 October 2022 and a doubles ranking of No. 124, achieved on 8 November 2021. Personal lif ...

Lukáš Rosol Lukáš Rosol (; born 24 July 1985) is a Czech former professional tennis player. His career-high singles ranking is world No. 26, achieved on 22 September 2014. His first notable victory was against world No. 8, Jürgen Melzer, at the 2011 Fre ...

The following player received entry as a lucky loser: *

Denis Istomin Denis Olegovich Istomin (born 7 September 1986) is an Uzbekistani professional tennis player. He won two singles titles (at the 2015 Aegon Open Nottingham and 2017 Chengdu Open) and achieved a career-high singles ranking of world No. 33 in Au ...

Champions

Singles

def.

Benjamin Bonzi Benjamin Bonzi (; born 9 June 1996) is a French professional tennis player. Bonzi has a career-high ATP singles ranking of world No. 42 achieved on 6 February 2023. He also has a career high doubles ranking of world No. 121 achieved on 19 Septem ...

4–6, 7–6^(7–1), 7–6^(7–3).

Doubles

André Göransson André Göransson (born 30 April 1994) is a Swedish tennis player who specializes in doubles. He has a career-high ATP doubles ranking of world No. 26, achieved on 19 May 2025. He is the current No. 1 Swedish doubles player. Göransson has won ...

David Pel David Pel (born 9 July 1991) is a Dutch tennis player who specializes in doubles. He has a career high ATP doubles ranking of World No. 70 achieved on 2 October 2023. He also has a career high ATP singles ranking of No. 885 achieved on 1 May 201 ...

def.

Lloyd Glasspool Lloyd Glasspool (born 19 November 1993) is a British professional tennis player who specialises in doubles. He has a career-high doubles ranking of No. 7 reached in June 2023 and a singles ranking of No. 282 reached in July 2016. Glasspool has w ...

Harri Heliövaara Harri Heliövaara (born 4 June 1989) is a Finnish professional tennis player. He has been ATP rankings, ranked by the Association of Tennis Professionals, ATP as high as world No. 3 in doubles, achieved on 31 March 2025. He also attained his care ...

4–6, 6–3, 0–8

References

{{DEFAULTSORT:Amex-Istanbul Challenger, 2021 2021 ATP Challenger Tour

2021 Like the year 2020, 2021 was also heavily defined by the COVID-19 pandemic, due to the emergence of multiple Variants of SARS-CoV-2, COVID-19 variants. The major global rollout of COVID-19 vaccines, which began at the end of 2020, continued ...

January 2021 sports events in Turkey 2021 in Turkish tennis