2021 Dutch Open

The 2021 Dutch Open, also known by its sponsored name Van Mossel Kia Dutch Open, was a professional tennis tournament played on clay courts. It was the second edition of the Challenger tournament which was part of the 2021 ATP Challenger Tour. It took place in Amersfoort, Netherlands between 12 and 18 July 2021.

2021 Dutch Open
Date	12 – 18 July
Surface	Clay / outdoor
Location	Amersfoort, Netherlands
Champions
Singles
Tallon Griekspoor
Doubles
Luca Castelnuovo / Manuel Guinard

Singles main draw entrants

Seeds

Country	Player	Rank1	Seed
NED	Tallon Griekspoor	124	1
NED	Botic van de Zandschulp	139	2
AUS	Marc Polmans	154	3
FRA	Antoine Hoang	156	4
EGY	Mohamed Safwat	170	5
BEL	Kimmer Coppejans	191	6
ARG	Guido Andreozzi	203	7
CZE	Lukáš Rosol	204	8

• ¹ Rankings are as of 28 June 2021.^[1]

Other entrants

The following players received wildcards into the singles main draw:

• Gijs Brouwer
• Ryan Nijboer
• Jelle Sels

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

• Thomaz Bellucci
• Johannes Härteis

The following players received entry from the qualifying draw:

• Michael Geerts
• Alexander Maarten Jong
• Johan Nikles
• Deney Wassermann

Champions

Singles

Main article: 2021 Dutch Open – Singles

• Tallon Griekspoor def. Botic van de Zandschulp 6–1, 3–6, 6–1.

Doubles

Main article: 2021 Dutch Open – Doubles

• Luca Castelnuovo / Manuel Guinard def. Sergio Galdós / Gonçalo Oliveira 0–6, 6–4, [11–9].