2021 Bucharest Challenger

The 2021 Bucharest Challenger was a professional tennis tournament played on clay courts. It was the 1st edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Bucharest, Romania between 20 and 26 September 2021.

2021 Bucharest Challenger
Date	20–26 September
Edition	1st
Surface	Clay
Location	Bucharest, Romania
Champions
Singles
Jiří Lehečka
Doubles
Ruben Gonzales / Hunter Johnson

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
ITA	Stefano Travaglia	99	1
MDA	Radu Albot	105	2
AUS	Thanasi Kokkinakis	180	3
CZE	Zdeněk Kolář	185	4
IND	Sumit Nagal	186	5
GER	Maximilian Marterer	197	6
CZE	Vít Kopřiva	198	7
CZE	Jiří Lehečka	201	8

• ¹ Rankings are as of 13 September 2021.

Other entrants

The following players received wildcards into the singles main draw:

• Nicolae Frunză
• David Ionel
• Ștefan Paloși

The following players received entry into the singles main draw as alternates:

• Filip Jianu
• Alexey Vatutin

The following players received entry from the qualifying draw:

• Matteo Arnaldi
• Ivan Gakhov
• Calvin Hemery
• Dragoș Nicolae Mădăraș

Champions

Singles

Main article: 2021 Bucharest Challenger – Singles

• Jiří Lehečka def. Filip Horanský 6–3, 6–2.

Doubles

Main article: 2021 Bucharest Challenger – Doubles

• Ruben Gonzales / Hunter Johnson def. Maximilian Marterer / Lukáš Rosol 1–6, 6–2, [10–3].