2021 Croatia Open Umag

Carlos Alcaraz defeated Richard Gasquet, 6–2, 6–2

• It was Alcaraz's only singles title of the year and the 1st of his career.

Fernando Romboli / David Vega Hernández defeated Tomislav Brkić / Nikola Ćaćić, 6–3, 7–5

Event	W	F	SF	QF	Round of 16	Round of 32	Q	Q2	Q1
Singles	250	150	90	45	20	0	12	6	0
Doubles					0	—	—	—	—

Event	W	F	SF	QF	Round of 16	Round of 32	Q2	Q1
Singles	€41,145	€29,500	€21,000	€14,000	€9,000	€5,415	€2,645	€1,375
Doubles*	€15,360	€11,000	€7,250	€4,710	€2,760	—	—	—

_{*per team}

Country	Player	Rank1	Seed
ESP	Albert Ramos Viñolas	41	1
SRB	Dušan Lajović	43	2
SRB	Filip Krajinović	44	3
FRA	Richard Gasquet	54	4
SLO	Aljaž Bedene	56	5
ESP	Jaume Munar	66	6
ESP	Carlos Alcaraz	72	7
ITA	Gianluca Mager	73	8

• ¹ Rankings are as of 12 July 2021.

The following players received wildcards into the main draw:

• Duje Ajduković
• Holger Rune
• Nino Serdarušić

The following players received entry from the qualifying draw:

• Daniel Altmaier
• Andrea Collarini
• Alessandro Giannessi
• Filip Horanský

The following player received entry as a lucky loser:

• Renzo Olivo

Before the tournament

• Salvatore Caruso → replaced by Renzo Olivo
• Taro Daniel → replaced by Andrej Martin
• Lorenzo Musetti → replaced by Carlos Taberner