2023 Estoril Open – Singles

Casper Ruud defeated Miomir Kecmanović in the final, 6–2, 7–6^(7–3) to win the singles tennis title at the 2023 Estoril Open. The victory marked Ruud's tenth career singles title and his first of the season. Kecmanović was bidding to secure his second career singles title.^[1]

Singles
2023 Estoril Open
Champion	Casper Ruud
Runner-up	Miomir Kecmanović
Score	6–2, 7–6(7–3)
Draw	28 (4 Q / 3 WC )
Seeds	8

Sebastián Báez was the defending champion,^[2] but lost in the quarterfinals to Ruud.^[3]

Seeds

The top four seeds received a bye into the second round.

1. Casper Ruud (champion)
2. Hubert Hurkacz (second round)
3. Alejandro Davidovich Fokina (quarterfinals)
4. Roberto Bautista Agut (second round)
5. Sebastián Báez (quarterfinals)
6. Miomir Kecmanović (final)
7. Diego Schwartzman (first round)
8. Ben Shelton (second round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
	1	Casper Ruud	6	3	77
		Quentin Halys	4	6	62
								1	Casper Ruud	6	77
								6	Miomir Kecmanović	2	63
		Marco Cecchinato	3	1
	6	Miomir Kecmanović	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	C Ruud	4	6	6
		G Zeppieri	4	6	3			WC	J Sousa	6	2	2
	WC	J Sousa	6	1	6										1	C Ruud	6	6
		P Cachin	6	6											5	S Báez	3	0
		C-h Tseng	4	4					P Cachin	4	62
		R Albot	5	63				5	S Báez	6	77
	5	S Báez	7	77																		1	C Ruud	6	3	77
																							Q Halys	4	6	62
								4/WC	R Bautista Agut	65	5
		N Borges	3	4					Q Halys	77	7
		Q Halys	6	6												Q Halys	6	6
		D Thiem	3	6	6											D Thiem	1	4
	Q	S Ofner	6	3	4				D Thiem	6	6
		C Lestienne	5	5				8/WC	B Shelton	2	2
	8/WC	B Shelton	7	7

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	D Schwartzman	3	68
		M Cecchinato	6	710					M Cecchinato	4	6	6
	Q	A Giannessi	2	1					F Fognini	6	3	3
		F Fognini	6	6												M Cecchinato	7	77
		L Van Assche	65	6	6										3	A Davidovich Fokina	5	65
	Q	P Sousa	77	3	1				L Van Assche	3	5
								3	A Davidovich Fokina	6	7
																							M Cecchinato	3	1
	6	M Kecmanović	6	6																		6	M Kecmanović	6	6
		L Nardi	4	1				6	M Kecmanović	6	6
		J Rodionov	3	6	6				J Rodionov	0	1
		A Ramos Viñolas	6	1	4										6	M Kecmanović	7	6
		B Zapata Miralles	6	6												B Zapata Miralles	5	2
	Q	H Rocha	4	2					B Zapata Miralles	67	6	6
								2	H Hurkacz	79	4	2

Qualifying

Seeds

1. Fábián Marozsán (qualifying competition)
2. Sebastian Ofner (qualified)
3. Ryan Peniston (first round)
4. Jozef Kovalík (first round)
5. Timofey Skatov (qualifying competition)
6. Oleksii Krutykh (first round)
7. Dalibor Svrčina (first round)
8. Damir Džumhur (first round)

Qualifiers

1. Alessandro Giannessi
2. Sebastian Ofner
3. Henrique Rocha
4. Pedro Sousa

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Fábián Marozsán	6	6
		Manuel Guinard	3	0
								1	Fábián Marozsán	6	65	4
									Alessandro Giannessi	4	77	6
		Alessandro Giannessi	1	7	6
	6	Oleksii Krutykh	6	5	1

Second qualifier

	First round							Qualifying competition
	2	Sebastian Ofner	6	6
		Robin Haase	3	4
								2	Sebastian Ofner	66	77	6
									Frederico Ferreira Silva	78	65	3
		Frederico Ferreira Silva	6	5	6
	8	Damir Džumhur	1	7	3

Third qualifier

	First round							Qualifying competition
	3	Ryan Peniston	4	1
	WC	Henrique Rocha	6	6
								WC	Henrique Rocha	6	6
									Máté Valkusz	4	2
		Máté Valkusz	6	6
	7	Dalibor Svrčina	0	2

Fourth qualifier

	First round							Qualifying competition
	4	Jozef Kovalík	6	5	3
	WC	Pedro Sousa	4	7	6
								WC	Pedro Sousa	6	6
								5	Timofey Skatov	4	4
		Adrian Andreev	1	1r
	5	Timofey Skatov	6	3