Singles
2012 Aircel Chennai Open
Champion	Milos Raonic
Runner-up	Janko Tipsarević
Score	6–7(4–7), 7–6(7–4), 7–6(7–4)
Draw	28 (4 Q / 3 WC )
Seeds	8

Stanislas Wawrinka was the defending champion, but lost in the quarterfinals to Japanese qualifier Go Soeda.

Milos Raonic won the tournament beating top seeded Janko Tipsarević, 6–7^(4–7), 7–6^(7–4), 7–6^(7–4).

Seeds

The top four seeds received a bye into the second round.

Draw

Finals

	Semifinals							Final
	1	Janko Tipsarević	6	6
	Q	Go Soeda	1	4
								1	Janko Tipsarević	77	64	64
								4	Milos Raonic	64	77	77
	4	Milos Raonic	6	6
	2	Nicolás Almagro	4	4

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	J Tipsarević	6	6
	WC	Y Bhambri	6	6				WC	Y Bhambri	1	3
		K Beck	2	3											1	J Tipsarević	6	3	6
		A Beck	6	710											WC	D Goffin	2	6	2
	Q	V Pospisil	3	68					A Beck	6	4	2
	WC	D Goffin	4	6	6			WC	D Goffin	4	6	6
	7	X Malisse	6	2	3																	1	J Tipsarević	6	6
																						Q	G Soeda	1	4
								3	S Wawrinka	3	6	7
		É Prodon	4	3				LL	É Roger-Vasselin	6	3	5
	LL	É Roger-Vasselin	6	6											3	S Wawrinka	4	4
		F Gil	2	77	5										Q	G Soeda	6	6
	Q	G Soeda	6	64	7			Q	G Soeda	78	6
	WC	V Vardhan	6	68	1			5	I Dodig	66	3
	5	I Dodig	4	710	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	F Fognini	0	1
		D Sela	6	6					D Sela	4	6	6
		P Riba	2	1					B Paire	6	2	4
		B Paire	6	6												D Sela	64	3
		S Querrey	3	4											4	M Raonic	77	6
		V Hănescu	6	6					V Hănescu	1	4
								4	M Raonic	6	6
																						4	M Raonic	6	6
	8	O Rochus	3	4																		2	N Almagro	4	4
	Q	Y Sugita	6	6				Q	Y Sugita	77	6
	Q	T de Bakker	3	3					Y-h Lu	65	4
		Y-h Lu	6	6											Q	Y Sugita	6	68	4
		B Kavčič	6	5	3										2	N Almagro	4	710	6
		S Darcis	4	7	6				S Darcis
								2	N Almagro	w/o

Qualifying

Draw

First qualifier

	First round							Second round							Qualifying competition
	1	Stéphane Robert	6	2	68
		João Sousa	4	6	710
									João Sousa	4	1
									Yūichi Sugita	6	6
		Jimmy Wang	4	6	3
		Yūichi Sugita	6	3	6
																Yūichi Sugita	77	6
															6	Rik de Voest	60	1
	WC	Akash Wagh	2	4
		Treat Conrad Huey	6	6
									Treat Conrad Huey	3	4
								6	Rik de Voest	6	6
	WC	Abhijeet Tiwari	0	4
	6	Rik de Voest	6	6

Second qualifier

	First round							Second round							Qualifying competition
	2	Édouard Roger-Vasselin	6	3	4
		Alexander Kudryavtsev	3	6	2r
								2	Édouard Roger-Vasselin	77	6
									Dušan Lajović	61	2
		Dušan Lajović	4	6	6
		Sanam Singh	6	4	3
															2	Édouard Roger-Vasselin	4	65
															5	Go Soeda	6	77
		Vijay Sundar Prashanth	3	0r
		Rohan Bopanna	6	0
									Rohan Bopanna	62	62
								5	Go Soeda	77	77
		Vignesh Peranamallur	1	3
	5	Go Soeda	6	6

Third qualifier

	First round							Second round							Qualifying competition
	3	Izak van der Merwe	2	7	6
		Jamie Baker	6	5	4
								3	Izak van der Merwe	6	7
									Íñigo Cervantes Huegun	4	5
		Íñigo Cervantes Huegun	6	7
		Ranjeet Virali-Murugesan	1	5
															3	Izak van der Merwe	2	4
																Thiemo de Bakker	6	6
	WC	Neeraj Elangovan	0	0
		Juan Sebastián Cabal	6	6
									Juan Sebastián Cabal	1	3
									Thiemo de Bakker	6	6
		Thiemo de Bakker	7	77
	7	Arnau Brugués Davi	5	65

Fourth qualifier

	First round							Second round							Qualifying competition
	4	Vasek Pospisil	78	79
		Jeevan Nedunchezhiyan	66	67
								4	Vasek Pospisil	6	6
									Mohit Jayaprakash	3	2
		Mohit Jayaprakash	6	6
		Ramkumar Ramanathan	2	2
															4	Vasek Pospisil	6	62	6
															8	Rajeev Ram	1	77	3
		Karan Rastogi	1	3
	WC	Prajnesh Gunneswaran	6	6
								WC	Prajnesh Gunneswaran	3	63
								8	Rajeev Ram	6	77
		N. Sriram Balaji	5	4
	8	Rajeev Ram	7	6

References

• Main Draw
• Qualifying Draw