2019 ATP Challenger China International – Nanchang – Singles

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

Nanchang – Singles
2019 ATP Challenger China International – Nanchang
Champion	Andrej Martin
Runner-up	Jordan Thompson
Score	6–4, 1–6, 6–3

Main article: 2019 ATP Challenger China International – Nanchang

Andrej Martin won the title after defeating Jordan Thompson 6–4, 1–6, 6–3 in the final.

Seeds

All seeds receive a bye into the second round.

1. Jordan Thompson (final)
2. Prajnesh Gunneswaran (withdrew)
3. Alex Bolt (second round)
4. Ramkumar Ramanathan (semifinals)
5. James Duckworth (third round)
6. Jason Kubler (second round)
7. Nikola Milojević (semifinals)
8. Enrique López Pérez (third round)
9. Aleksandr Nedovyesov (second round)
10. Maxime Janvier (second round, retired)
11. Go Soeda (quarterfinals)
12. Jay Clarke (third round)
13. Adam Pavlásek (third round)
14. Lee Duck-hee (second round)
15. Uladzimir Ignatik (second round)
16. Kaichi Uchida (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
	1	Jordan Thompson	64	6	6
	11	Go Soeda	77	4	3
								1	Jordan Thompson	77	6
								4	Ramkumar Ramanathan	62	3
	4	Ramkumar Ramanathan	6	6
		Zhang Zhizhen	3	0
															1	Jordan Thompson	4	6	3
																Andrej Martin	6	1	6
	Alt	Ben Patael	2	5
		Andrej Martin	6	7
									Andrej Martin	6	6
								7	Nikola Milojević	0	4
	7	Nikola Milojević	6	4	6
		Andrew Harris	2	6	0

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	J Thompson	6	4	6
		L Saville	3	4				ITF	J Grills	3	6	1
	ITF	Jacob Grills	6	6											1	J Thompson	6	6
	Q	Wu Hao	6	1	3											V Šafránek	2	1
		V Šafránek	3	6	6				V Šafránek	78	6
								15	U Ignatik	66	4
																						1	J Thompson	64	6	6
																						11	G Soeda	77	4	3
								11	G Soeda	6	6
	ITF	Y Bai	6	2	64				S Balaji	4	4
		S Balaji	2	6	77										11	G Soeda	7	6
		D Wu	6	6											5	J Duckworth	5	1
	WC	J Cui	1	2					D Wu	69	3
								5	J Duckworth	711	6

Section 2

	First round							Second round							Third round							Quarterfinals
								4	R Ramanathan	6	6
	WC	F Sun	4	4				WC	R Te	3	2
	WC	R Te	6	6											4	R Ramanathan	6	6
		Xia Zihao	2	5											16	K Uchida	2	3
	ITF	T Gabashvili	6	7				ITF	T Gabashvili	4	6	3
								16	K Uchida	6	2	6
																						4	R Ramanathan	6	6
																							Zh Zhang	3	0
								10	M Janvier	65	1r
		S Myneni	4	4					Zh Zhang	77	2
		Zh Zhang	6	6												Zh Zhang	6	6
		T-l Wu	3	2											8	E López Pérez	2	4
		Makoto Ochi	6	6					M Ochi	3	0
								8	E López Pérez	6	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								6	J Kubler	1	6	5
	Alt	B Patael	6	6				Alt	B Patael	6	4	7
	WC	X Gao	1	4											Alt	B Patael	6	7
	WC	Y He	62	2											12	J Clarke	3	5
		M Purcell	77	6					M Purcell	62	3
								12	J Clarke	77	6
																						Alt	B Patael	2	5
																							A Martin	6	7
								14	D-h Lee	3	2
		G Oliveira	6	6					G Oliveira	6	6
		M Banes	4	3												G Oliveira	4	2
		A Martin	6	6												A Martin	6	6
		T Lamasine	2	2					A Martin	6	6
								3	A Bolt	2	4

Section 4

	First round							Second round							Third round							Quarterfinals
								7	N Milojević	6	6
		S Mukund	6	3					S Mukund	2	4
		Renta Tokuda	1	1r											7	N Milojević	77	77
		A Santillan	6	6												A Santillan	62	65
		Lo Chien-hsun	1	2					A Santillan	6	4	7
								9	A Nedovyesov	4	6	5
																						7	N Milojević	6	4	6
																							A Harris	2	6	0
								13	A Pavlásek	6	6
	ITF	R Noguchi	4	3					Y-s Chung	3	2
		Y-s Chung	6	6											13	A Pavlásek	3	6	3
	Q	L Margaroli	1	2												A Harris	6	4	6
		A Harris	6	6					A Harris	6	6
								Alt	V Vardhan	2	3