2019 Sibiu Open – Singles

Dragoș Dima was the defending champion^[1] but lost in the first round to Václav Šafránek.

Singles
2019 Sibiu Open
Champion	Danilo Petrović
Runner-up	Christopher O'Connell
Score	6–4, 6–2

Main article: 2019 Sibiu Open

Danilo Petrović won the title after defeating Christopher O'Connell 6–4, 6–2 in the final.

Seeds

All seeds receive a bye into the second round.

1. Pedro Sousa (third round)
2. Blaž Rola (quarterfinals)
3. Attila Balázs (withdrew)
4. Pedro Martínez (second round)
5. Nikola Milojević (second round)
6. Federico Coria (third round)
7. Robin Haase (second round)
8. Rudolf Molleker (second round)
9. João Domingues (second round)
10. Facundo Argüello (second round)
11. Tallon Griekspoor (second round)
12. Filip Horanský (second round)
13. Dmitry Popko (second round)
14. Christopher O'Connell (final)
15. Peđa Krstin (third round)
16. Bernabé Zapata Miralles (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
	14	Christopher O'Connell	7	6
		Vít Kopřiva	5	3
								14	Christopher O'Connell	4	6	6
									Jelle Sels	6	4	2
		Jelle Sels	6	6
		Václav Šafránek	2	2
															14	Christopher O'Connell	4	2
																Danilo Petrović	6	6
		Danilo Petrović	6	77
		Laurent Lokoli	4	63
									Danilo Petrović	6	6
									Alex Molčan	3	3
		Alex Molčan	6	64	6
	2	Blaž Rola	4	77	4

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	P Sousa	6	6
	Alt	Pavel Nejedlý	6	3	3			Alt	P Nouza	3	1
	Alt	P Nouza	3	6	6										1	P Sousa	4	1
		A Pavlásek	3	4											14	C O'Connell	6	6
		M Hamou	6	6					M Hamou	77	64	2
								14	C O'Connell	63	77	6
																						14	C O'Connell	7	6
																							V Kopřiva	5	3
								10	F Argüello	5	1
		V Kopřiva	6	77					V Kopřiva	7	6
		P Torebko	2	64												V Kopřiva	5	6	7
		J Barranco Cosano	3	6	7										6	F Coria	7	2	5
		Fabrizio Ornago	6	3	5				J Barranco Cosano	1	2
								6	F Coria	6	6

Section 2

	First round							Second round							Third round							Quarterfinals
								4	P Martínez	4	2
		J Sels	7	6					J Sels	6	6
	Q	J Pospíšil	5	3												J Sels	6	6
		S Doumbia	4	2												Z Kolář	4	4
		Z Kolář	6	6					Z Kolář	6	6
								13	D Popko	1	2
																							J Sels	6	6
																							V Šafránek	2	2
								11	T Griekspoor	3	4
		J Zopp	2	63					N Serdarušić	6	6
		N Serdarušić	6	77												N Serdarušić	1	2
		D Dima	2	4												V Šafránek	6	6
		V Šafránek	6	6					V Šafránek	6	6
								8	R Molleker	3	4

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								7	R Haase	3	2
		U Ignatik	67	4					D Petrović	6	6
		D Petrović	79	6												D Petrović	77	6
		Jules Okala	1	3												JP Varillas	64	3
		JP Varillas	6	6					JP Varillas	6	6
								9	J Domingues	3	3
																							D Petrović	6	77
																							L Lokoli	4	63
								16	B Zapata Miralles	2	4
		P Toledo Bagué	2	1					N Sánchez Izquierdo	6	6
		N Sánchez Izquierdo	6	6												N Sánchez Izquierdo	4	5
	WC	A Bodmer	5	3												L Lokoli	6	7
		L Lokoli	7	6					L Lokoli	6	6
								LL	S Martos Gornés	1	2

Section 4

	First round							Second round							Third round							Quarterfinals
								5	N Milojević	7	1	3
		A Molčan	6	77					A Molčan	5	6	6
	WC	VV Cornea	1	65												A Molčan	2	6	77
	Q	M Sabanov	4	2											WC	FC Jianu	6	4	64
	WC	FC Jianu	6	6				WC	FC Jianu	77	6
								12	F Horanský	63	3
																							A Molčan	6	64	6
																						2	B Rola	4	77	4
								15	P Krstin	6	6
	WC	A Jecan	6	4	3			WC	M Dembek	4	2
	WC	Michał Dembek	2	6	6										15	P Krstin	1	6	1
		C Taberner	6	4	2										2	B Rola	6	3	6
	Alt	F Reboul	0	6	6			Alt	F Reboul	3	6	3
								2	B Rola	6	4	6