# Tennis at the 2015 SEA Games – Men's singles

Christopher Rungkat was the defending champions having won the event in 2011, but lost in the quarterfinals to Jeson Patrombon.
Warit Sornbutnark won the gold medal, defeating David Susanto in the final, 4–6, 6–3, 6–3. Patrombon and Bun Kenny won the bronze medals.

## Medalists

| Event | Gold | Silver | Bronze |
| Men's Singles | Warit Sornbutnark (THA) | David Susanto (INA) | Jeson Patrombon (PHI) |
| Men's Singles | Warit Sornbutnark (THA) | David Susanto (INA) | Bun Kenny (CAM) |

## Seeds

* Christopher Rungkat (INA) (quarterfinals)
* Kittipong Wachiramanowong (THA) (quarterfinals)
* Warit Sornbutnark (THA) (champion; gold medallist)
* David Susanto (INA) (final; silver medallist)
* Jeson Patrombon (PHI) (semifinals; bronze medallist)
* Roy Alif Hobbs (SIN) (quarterfinals)

## Draw
### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 5 | Jeson Patrombon (PHI) | 4 | 1 | | | | | |
| 3 | Warit Sornbutnark (THA) | 6 | 6 | | | | | |
| 3 | Warit Sornbutnark (THA) | 6 | 6 | 3 | Warit Sornbutnark (THA) | 4 | 6 | 6 |
| | | | | 4 | David Susanto (INA) | 6 | 3 | 3 |
| 4 | David Susanto (INA) | 6 | 7$^7$ | 4 | David Susanto (INA) | 6 | 3 | 3 |
| | Bun Kenny (CAM) | 1 | 6$^4$ | | | | | |

### Top half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | 1 | C Rungkat (INA) | 6 | 6 | | | | | | | | |
| IY Ong (SIN) | 3 | 6 | 4 | | HT Nguyễn (VIE) | 3 | 1 | | | | | | | | |
| HT Nguyễn (VIE) | 6 | 2 | 6 | | | | | 1 | C Rungkat (INA) | 2 | 6 | | | | |
| | | | | | | | | 5 | J Patrombon (PHI) | 6 | 7 | | | | |
| | | | | | M Zainal Abidin (MAS) | 1 | 1 | | | | | | | | |
| | | | | 5 | J Patrombon (PHI) | 6 | 6 | | | | | | | | |
| | | | | | | | | | | | | 5 | J Patrombon (PHI) | 4 | 1 |
| | | | | | | | | | | | | 3 | W Sornbutnark (THA) | 6 | 6 |
| | | | | 3 | W Sornbutnark (THA) | 6 | 6 | | | | | | | | |
| | | | | | S Simmalavong (LAO) | 1 | 1 | | | | | | | | |
| | | | | | | | | 3 | W Sornbutnark (THA) | 6 | 6 | | | | |
| | | | | | | | | | D Kim (CAM) | 2 | 2 | | | | |
| | | | | | A Myo Thant (MYA) | 2 | 3 | | | | | | | | |
| | | | | | D Kim (CAM) | 6 | 6 | | | | | | | | |

### Bottom half

| First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | 6 | RA Hobbs (SIN) | 6 | 6 | | | | | | | | | |
| | | | | ZS Oo (MYA) | 4 | 3 | | | | | | | | | |
| | | | | | | | | 6 | RA Hobbs (SIN) | 3 | 6 | | | | |
| | | | | | | | | 4 | D Susanto (INA) | 6 | 7 | | | | |
| | | | | A Deen Heshaam (MAS) | 6 | 4 | | | | | | | | | |
| | | | 4 | D Susanto (INA) | 7 | 6 | | | | | | | | | |
| | | | | | | | | | | | | 4 | D Susanto (INA) | 6 | 7$^7$ |
| | | | | | | | | | | | | | K Bun (CAM) | 1 | 6$^4$ |
| | | | | K Bun (CAM) | 7 | 5 | 6 | | | | | | | | |
| | | | | V Rasavady (LAO) | 6 | 7 | 1 | | | | | | | | |
| | | | | | | | | | K Bun (CAM) | 6 | 6 | | | | |
| R Gonzales (PHI) | 6 | 6 | | | | | | 2 | K Wachiramanowong (THA) | 2 | 4 | | | | |
| LG Trịnh (VIE) | 2 | 3 | | R Gonzales (PHI) | 6 | 4 | | | | | | | | | |
| | | | 2 | K Wachiramanowong (THA) | 7 | 6 | | | | | | | | | |