2021 Amex-Istanbul Challenger

The 2021 Amex-Istanbul Challenger was a professional tennis tournament played on hard courts. It was the 34th edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Istanbul, Turkey between 18 and 24 January 2021.

2021 Amex-Istanbul Challenger
Date	18–24 January
Edition	34th
Surface	Hard (Indoor)
Location	Istanbul, Turkey
Champions
Singles
Arthur Rinderknech
Doubles
André Göransson / David Pel

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
COL	Daniel Elahi Galán	115	1
BRA	Thiago Seyboth Wild	117	2
FRA	Antoine Hoang	121	3
ARG	Facundo Bagnis	125	4
IND	Prajnesh Gunneswaran	128	5
ITA	Lorenzo Musetti	129	6
SVK	Jozef Kovalík	131	7
JPN	Go Soeda	134	8

• ¹ Rankings are as of 11 January 2021.^[1]

Other entrants

The following players received wildcards into the singles main draw:

• Altuğ Çelikbilek
• Cem İlkel
• Ergi Kırkın

The following players received entry from the qualifying draw:

• Jay Clarke
• João Menezes
• Arthur Rinderknech
• Lukáš Rosol

The following player received entry as a lucky loser:

• Denis Istomin

Champions

Singles

Main article: 2021 Amex-Istanbul Challenger – Singles

• Arthur Rinderknech def. Benjamin Bonzi 4–6, 7–6^(7–1), 7–6^(7–3).

Doubles

Main article: 2021 Amex-Istanbul Challenger – Doubles

• André Göransson / David Pel def. Lloyd Glasspool / Harri Heliövaara 4–6, 6–3, [10–8].