2019 Open du Pays d'Aix – Singles

John Millman was the defending champion but chose not to defend his title.^[1]

Singles
2019 Open du Pays d'Aix
Champion	Pablo Cuevas
Runner-up	Quentin Halys
Score	7–5, 3–6, 6–2

Main article: 2019 Open du Pays d'Aix

Pablo Cuevas won the title after defeating Quentin Halys 7–5, 3–6, 6–2 in the final.

Seeds

All seeds receive a bye into the second round.

1. Pablo Cuevas (champion)
2. Jiří Veselý (second round)
3. Lloyd Harris (third round)
4. Denis Istomin (second round)
5. Thiago Monteiro (third round)
6. Yannick Maden (second round)
7. Grégoire Barrère (second round)
8. Guillermo García López (second round)
9. Peter Polansky (second round)
10. Stefano Travaglia (third round)
11. Antoine Hoang (third round)
12. Gianluca Mager (quarterfinals)
13. Marcos Giron (second round)
14. Rudolf Molleker (third round)
15. Simone Bolelli (withdrew)
16. Lorenzo Giustino (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

	Quarterfinals							Semifinals							Final
	1	Pablo Cuevas	77	4	6
	Q	Elias Ymer	61	6	3
								1	Pablo Cuevas	6	6
								Alt	Hugo Nys	3	1
		Daniel Masur	6	5	5
	Alt	Hugo Nys	4	7	7
															1	Pablo Cuevas	7	3	6
																Quentin Halys	5	6	2
		Alexey Vatutin	7	77
		Benjamin Hassan	5	63
									Alexey Vatutin	5	3
									Quentin Halys	7	6
	12	Gianluca Mager	77	4	4
		Quentin Halys	65	6	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	P Cuevas	4	77	7
		S Diez	6	6					S Diez	6	62	5
	LL	J Melzer	3	3											1	P Cuevas	6	6
	WC	M Martineau	6	78											14	R Molleker	2	2
		M-A Hüsler	3	66				WC	M Martineau	5	77	3
								14	R Molleker	7	63	6
																						1	P Cuevas	77	4	6
																						Q	E Ymer	61	6	3
								10	S Travaglia	77	6
		G Clezar	2	3					R Dutra Silva	63	3
		R Dutra Silva	6	6											10	S Travaglia	5	4
		Ze Zhang	7	2	3										Q	E Ymer	7	6
	Q	E Ymer	5	6	6			Q	E Ymer	78	6
								7	G Barrère	66	1

Section 2

	First round							Second round							Third round							Quarterfinals
								3/WC	L Harris	7	6
		N Serdarušić	62	5				WC	A Cornut-Chauvinc	5	3
	WC	Antoine Cornut-Chauvinc	77	7											3/WC	L Harris	4	3
		K de Schepper	5	6	1											D Masur	6	6
		D Masur	7	4	6				D Masur	6	6
								LL	Jonathan Kanar	2	3
																							D Masur	6	5	5
																						Alt	H Nys	4	7	7
								9	P Polansky	67	4
		C Hemery	6	65	0r			Alt	H Nys	79	6
	Alt	H Nys	3	77	2										Alt	H Nys	5	6	77
		M Arévalo	7	6											5/WC	T Monteiro	7	3	65
		J Tatlot	5	2					M Arévalo	65	4
								5/WC	T Monteiro	77	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								6	Y Maden	6	5	2
		K Krawietz	6	0	5				A Vatutin	3	7	6
		A Vatutin	3	6	7											A Vatutin	66	6	6
	WC	H Gaston	6	77											11	A Hoang	78	3	1
	Q	D Added	1	63				WC	H Gaston	2	1
								11	A Hoang	6	6
																							A Vatutin	7	77
																							B Hassan	5	63
								16	L Giustino	6	2	4
		V Troicki	6	6					V Troicki	4	6	6
		Y Mertens	3	1												V Troicki	2	2
		B Hassan	6	6												B Hassan	6	6
		D Gimeno Traver	3	3					B Hassan	6	6
								4	D Istomin	4	2

Section 4

	First round							Second round							Third round							Quarterfinals
								8	G García López	65	4
		T Pütz	710	0	2				E Couacaud	77	6
		E Couacaud	68	6	6											E Couacaud	5	65
		J Ward	78	77											12	G Mager	7	77
		T Lamasine	66	64					J Ward	64	2
								12	G Mager	77	6
																						12	G Mager	77	4	4
																							Q Halys	65	6	6
								13	M Giron	3	6	4
		A Olivetti	2	1					J Šátral	6	2	6
		J Šátral	6	6												J Šátral	3	4
		E Benchetrit	77	0	4											Q Halys	6	6
		Q Halys	65	6	6				Q Halys	6	77
								2	J Veselý	4	61