Singles
2019 Chennai Open Challenger
Champion	Corentin Moutet
Runner-up	Andrew Harris
Score	6–3, 6–3

Jordan Thompson was the defending champion but chose not to defend his title.

Corentin Moutet won the title after defeating Andrew Harris 6–3, 6–3 in the final.

Seeds

All seeds receive a bye into the second round.

Draw

Finals

	Quarterfinals							Semifinals							Final
	1	Prajnesh Gunneswaran	6	6
	7	James Duckworth	4	3
								1	Prajnesh Gunneswaran	4	6	0
									Andrew Harris	6	3	6
		Andrew Harris	1	78	6
	5	Alejandro Davidovich Fokina	6	66	2
																Andrew Harris	3	3
															2	Corentin Moutet	6	6
		Brydan Klein	2	6	63
	16	Sasikumar Mukund	6	3	77
								16	Sasikumar Mukund	6	4	2
								2	Corentin Moutet	3	6	6
	10	Nicola Kuhn	7	3	4
	2	Corentin Moutet	5	6	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	P Gunneswaran	6	6
	PR	D Nguyen	3	2				PR	D Altmaier	4	4
	PR	D Altmaier	6	6											1	P Gunneswaran	6	6
		A Kadhe	6	6												A Kadhe	4	2
	ITF	I Nedelko	4	1					A Kadhe	6	6
								13	J Hernández-Fernández	3	2
																						1	P Gunneswaran	6	6
																						7	J Duckworth	4	3
								9	G Elias	6	77
		B Ellis	6	6					B Ellis	2	64
	WC	Siddharth Vishwakarma	2	2											9	G Elias	6	5	5
		D Kelly	66	3											7	J Duckworth	4	7	7
	Alt	I Gakhov	78	6				Alt	I Gakhov	62	5
								7	J Duckworth	77	7

Section 2

	First round							Second round							Third round							Quarterfinals
								4	G Mager	6	6
	Q	K Uesugi	6	3	68				C Altamirano	3	1
		C Altamirano	1	6	710										4	G Mager	62	62
		A Harris	6	6												A Harris	77	77
		A Vukic	4	4					A Harris	6	6
								15	T-h Yang	2	1
																							A Harris	1	78	6
																						5	A Davidovich Fokina	6	66	2
								11	S Myneni	6	6
		Carlos Boluda-Purkiss	2	6	2			WC	VS Prashanth	4	3
	WC	VS Prashanth	6	2	6										11	S Myneni	3	63
	WC	Abhinav Sanjeev Shanmugam	3	4											5	A Davidovich Fokina	6	77
		Renta Tokuda	6	6					R Tokuda	6	2	3
								5	A Davidovich Fokina	3	6	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								6	S-w Kwon	6	6
	Q	A Zhurbin	6	6				Q	A Zhurbin	1	2
		R Ojeda Lara	2	4											6	S-w Kwon	4	6	3
	WC	Manish Sureshkumar	2	3												B Klein	6	4	6
		B Klein	6	6					B Klein	6	6
								12	M Banes	4	1
																							B Klein	2	6	63
																						16	S Mukund	6	3	77
								16	S Mukund	6	6
		T-l Wu	4	5					S Fanselow	3	1
		Sebastian Fanselow	6	7											16	S Mukund	6	6
		R Statham	4	4											3	M Safwat	3	4
		A Pellegrino	6	6					A Pellegrino	3	5
								3	M Safwat	6	7

Section 4

	First round							Second round							Third round							Quarterfinals
								8	D-h Lee	6	6
	ITF	D Pérez Sanz	3	2					S Nagal	3	4
		S Nagal	6	6											8	D-h Lee	4	4
		A Escoffier	6	6											10	N Kuhn	6	6
	ITF	E Tiurnev	2	2					A Escoffier	6	65	0r
								10	N Kuhn	4	77	4
																						10	N Kuhn	7	3	4
																						2	C Moutet	5	6	6
								14	L Grigelis	4	6	6
		B Mousley	77	1	3			WC	NH Lý	6	2	1
	WC	NH Lý	64	6	6										14	L Grigelis	2	3
		L Saville	79	6											2	C Moutet	6	6
	ITF	M Echargui	67	1					L Saville	2	77	4
								2	C Moutet	6	61	6

References

• Main draw
• Qualifying draw