Men's singles
Tennis at the 2011 SEA Games
Final
Champion	Christopher Rungkat
Runner-up	Danai Udomchoke
Score	6–2, 6–2
Events
Singles men women Doubles men women mixed Team men women
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Cecil Mamiit is the defending champion of the Men's Singles competition of the 2011 SEA Games but lost in the semifinals to Christopher Rungkat. Rungkat won the title by beating top seed Danai Udomchoke 6–2, 6–2 in the final.

Event	Gold	Silver	Bronze
Men's Singles	Indonesia Christopher Rungkat	Thailand Danai Udomchoke	Indonesia Elbert Sie
			Philippines Cecil Mamiit

The top seed received bye to the quarterfinals.

	First round							Quarterfinals							Semifinals							Gold Medal Match
								1	Danai Udomchoke	6	6
		Lasavady Vitata	2	5					Do Minh Quan	2	1
		Do Minh Quan	6	7											1	Danai Udomchoke	6	6
	4	Elbert Sie	6	7											4	Elbert Sie	2	1
		Aung Kyaw Naing	0	5				4	Elbert Sie	6	6
		Jeson Petrombon	6	6					Jeson Petrombon	4	1
		Long Samneang	0	1																		1	Danai Udomchoke	2	2
		Nguyen Hoang Thien	2	6	3																	2	Christopher Rungkat	6	6
		Cecil Mamiit	6	2	6				Cecil Mamiit	3	6	6
		Phyo Min Thar	0	1				3	Kittipong Wachiramanowong	6	3	3
	3	Kittipong Wachiramanowong	6	6												Cecil Mamiit	2	6	66
		Si Yew Ming	6	6											2	Christopher Rungkat	6	4	77
		Keodalasouk D	2	1					Si Yew Ming	3	2
		Kenny Bun	4	63				2	Christopher Rungkat	6	6
	2	Christopher Rungkat	6	77

• Draw
• SEAG2011 Start/Result Lists - Tennis