Tennis at the 2011 SEA Games – Men's singles

Main article: Tennis at the 2011 Southeast Asian Games

Cecil Mamiit is the defending champion of the Men's Singles competition of the 2011 Southeast Asian 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.

Medalists

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

Draw

Seeds

The top seed received bye to the quarterfinals.

1. Danai Udomchoke (Final)
2. Christopher Rungkat (Champion)
3. Kittiphong Wachiramanowong (Quarterfinals)
4. Elbert Sie (Semifinals)

Main Draw

	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

References

• Draw
• SEAG2011 Start/Result Lists - Tennis