Zhu Lin defeated Lesia Tsurenko in the final, 6–4, 6–4 to win the women's singles tennis title at the 2023 Thailand Open.^[1] It was her first WTA Tour singles title.

Magda Linette was the reigning champion from 2020, when the event was last held,^[2] but withdrew before the tournament.^[3]

	Semifinals							Final
	1/WC	Bianca Andreescu	5	0r
		Lesia Tsurenko	7	4
									Lesia Tsurenko	4	4
									Zhu Lin	6	6
		Zhu Lin	6	6
	7	Wang Xinyu	2	4

	First round							Second round							Quarterfinals							Semifinals
	1/WC	B Andreescu	6	6
		H Dart	3	4				1/WC	B Andreescu	6	7
		AK Schmiedlová	6	5	3				A Zakharova	2	5
		A Zakharova	3	7	6										1/WC	B Andreescu	6	77
	Q	V Savinykh	0	2											5	M Kostyuk	0	63
		N Hibino	6	6					N Hibino	3	67
	Q	E-s Liang	79	3	0			5	M Kostyuk	6	79
	5	M Kostyuk	67	6	6																	1/WC	B Andreescu	5	0r
	4	A Kalinskaya	6	6																			L Tsurenko	7	4
	Q	E Makarova	1	1				4	A Kalinskaya	0	77	4
		Y Bonaventure	3	6	4				L Tsurenko	6	63	6
		L Tsurenko	6	4	6											L Tsurenko	6	6
		D Yastremska	6	63	6										6	T Maria	1	1
		M Uchijima	3	77	2				D Yastremska	0	4
	Q	A Eala	2	2				6	T Maria	6	6
	6	T Maria	6	6

	First round							Second round							Quarterfinals							Semifinals
	8	L Fruhvirtová	6	6
	WC	B Mattek-Sands	3	1				8	L Fruhvirtová	3	6	4
	Q	A Sharma	2	3					T Zidanšek	6	4	6
		T Zidanšek	6	6												T Zidanšek	2	2
		K Boulter	3	6	3											L Zhu	6	6
		S-j Jang	6	4	6				S-j Jang	4	66
		L Zhu	4	6	6				L Zhu	6	78
	3	Xiy Wang	6	3	0																		L Zhu	6	6
	7	Xin Wang	6	6																		7	Xin Wang	2	4
	Q	J Züger	2	2				7	Xin Wang	6	6
	WC	L Tararudee	2	4					M Björklund	3	3
		M Björklund	6	6											7	Xin Wang	6	66	6
		E-G Ruse	4	6	4											H Watson	3	78	4
		N-l Han	6	1	6				N-l Han	3	7	4
		H Watson	5	6	77				H Watson	6	5	6
	2	Y Putintseva	7	4	65

	First round							Qualifying competition
	Alt	Miyu Kato	6	6
		Luksika Kumkhum	4	1
								Alt	Miyu Kato	4	1
								8	Ekaterina Makarova	6	6
	WC	Aunchisa Chanta	4	6	5
	8	Ekaterina Makarova	6	3	7

	First round							Qualifying competition
	2	İpek Öz	6	6
		Haruka Kaji	3	0
								2	İpek Öz	68	4
									Liang En-shuo	710	6
		Liang En-shuo	6	79
	12	Kathinka von Deichmann	3	67

	First round							Qualifying competition
	3	Joanne Züger	6	6
	WC	Ivanna Yastremska	1	0
								3	Joanne Züger	7	6
									Peangtarn Plipuech	5	3
		Peangtarn Plipuech	6	4	79
	7	Anastasia Tikhonova	3	6	67

	First round							Qualifying competition
	4	Alex Eala	6	78
	WC	Han Xinyun	1	66
								4	Alex Eala	6	7
								9	Kristina Dmitruk	2	5
		Ekaterina Yashina	3	2
	9	Kristina Dmitruk	6	6

	First round							Qualifying competition
	5	Natalija Stevanović	6	77
	PR	Kaylah McPhee	2	63
								5	Natalija Stevanović	5	0
								11	Valeria Savinykh	7	6
		Gao Xinyu	5	6	4
	11	Valeria Savinykh	7	2	6

	First round							Qualifying competition
	6	Astra Sharma	6	6
	WC	Chompoothip Jundakate	2	2
								6	Astra Sharma	6	7
									Ellen Perez	2	5
		Ellen Perez	6	0
	10	Irina Khromacheva	1	0r

• Main draw
• Qualifying draw