2023 Koper Open – Singles

Kathinka von Deichmann was the defending champion^[1] but chose not to participate.

Singles
2023 Koper Open
Champion	Aliona Bolsova
Runner-up	Irina Bara
Score	3–6, 6–2, 4–1 retired

Main article: 2023 Koper Open

Aliona Bolsova won the title after Irina Bara retired in the final at 3–6, 6–2, 4–1.

Seeds

All seeds receive a bye into the second round.

1. Jasmine Paolini (third round)
2. Léolia Jeanjean (second round)
3. Réka Luca Jani (quarterfinals)
4. Olga Danilović (third round)
5. Polina Kudermetova (second round)
6. Tara Würth (second round)
7. Aliona Bolsova (champion)
8. Nuria Brancaccio (third round)
9. Jaimee Fourlis (second round)
10. Jaqueline Cristian (semifinals)
11. Jéssica Bouzas Maneiro (quarterfinals)
12. Antonia Ružić (third round)
13. Lina Gjorcheska (second round)
14. Alexandra Cadanțu-Ignatik (second round)
15. Kristina Dmitruk (quarterfinals)
16. Tena Lukas (third 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
	15	Kristina Dmitruk	2	4
	10	Jaqueline Cristian	6	6
								10	Jaqueline Cristian	2	1
								7	Aliona Bolsova	6	6
	3	Réka Luca Jani	0	2
	7	Aliona Bolsova	6	6
															7	Aliona Bolsova	3	6	4
																Irina Bara	6	2	1r
		Irina Bara	6	6
	LL	Silvia Ambrosio	2	0
									Irina Bara	3	7	6
								Q	Andreea Mitu	6	5	4
	11	Jéssica Bouzas Maneiro	4	1
	Q	Andreea Mitu	6	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	J Paolini	6	6
	WC	N Jurič	4	1				Q	D Hindová	1	0
	Q	D Hindová	6	6											1	J Paolini	0	2
	Q	I Šebestová	1	0											15	K Dmitruk	6	6
		W Falkowska	6	6					W Falkowska	7	1	5
								15	K Dmitruk	5	6	7
																						15	K Dmitruk	2	4
																						10	J Cristian	6	6
								10	J Cristian	63	4
		L Bošković	6	6					L Bošković	77	0r
	Q	E Méri	3	4											10	J Cristian	77	6
		J Kolodynska	4	78	4											V Erjavec	64	4
		V Erjavec	6	66	6				V Erjavec	77	6
								6	T Würth	62	2

Section 2

	First round							Second round							Third round							Quarterfinals
								3	RL Jani	6	6
	Q	Y Morderger	4	4					B Cengiz	3	3
		B Cengiz	6	6											3	RL Jani	2	6	6
	Q	A Nagy	1	2											16	T Lukas	6	1	4
	WC	A Anshba	6	6				WC	A Anshba	4	3
								16	T Lukas	6	6
																						3	RL Jani	0	2
																						7	A Bolsova	6	6
								12	A Ružić	6	6
		İ Öz	6	3	6				İ Öz	2	2
	WC	P Lovrič	3	6	3										12	A Ružić	6	1	0
		N Szabanin	5	6	2r										7	A Bolsova	3	6	6
		A Kulikova	7	3	4				A Kulikova	4	6	1
								7	A Bolsova	6	4	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								5	P Kudermetova	4	4
		L Radivojević	4	7	2				I Bara	6	6
		I Bara	6	5	6											I Bara	79	5	77
		J Fett	6	1												J Fett	67	7	65
		N Potočnik	4	0r					J Fett	6	6
								9	J Fourlis	3	3
																							I Bara	6	6
																						LL	S Ambrosio	2	0
								14	A Cadanțu-Ignatik	1	3
		A Kučmová	3	7	4			LL	S Ambrosio	6	6
	LL	S Ambrosio	6	5	6										LL	S Ambrosio	6	6
	Q	C Ferrando	7	0	2										4/SR	O Danilović	2	1
	WC	EN Milić	5	6	6			WC	EN Milić	2	3
								4/SR	O Danilović	6	6

Section 4

	First round							Second round							Third round							Quarterfinals
								8	N Brancaccio	6	6
		D Cherubini	4	4					S Lamens	4	1
		S Lamens	6	6											8	N Brancaccio	62	3
		A Turati	1	3											11	J Bouzas Maneiro	77	6
	Q	A Soboleva	6	6				Q	A Soboleva	3	5
								11	J Bouzas Maneiro	6	7
																						11	J Bouzas Maneiro	4	1
																						Q	A Mitu	6	6
								13	L Gjorcheska	1	7	4
	Q	A Mitu	6	7				Q	A Mitu	6	5	6
		P Plipuech	3	5											Q	A Mitu	6	6
	SR	K McPhee	5	6	3										WC	Ž Falkner	1	1
	WC	Ž Falkner	7	4	6			WC	Ž Falkner	7	6
								2	L Jeanjean	5	3