| Davis Cup | 2016/07/15 02:30 | David Agung Susanto v Harshana Godamanna | 6-4,6-4,6-4 |
| Davis Cup | 2016/03/06 06:40 | Pruchya Isarow v Harshana Godamanna | 6-4,6-7,6-3,7-6 |
| Davis Cup | 2016/03/04 03:00 | Pol Wattanakul v Harshana Godamanna | 3-6,7-6,3-6,3-6 |
| Davis Cup | 2015/07/19 08:10 | Harshana Godamanna v Giovani Samaha | 6-3,6-2,6-3 |
| Davis Cup | 2015/07/17 06:10 | Harshana Godamanna v Hady Habib | 7-5,6-3,6-3 |
| Davis Cup | 2015/03/06 08:00 | Patrick-John Tierro v Harshana Godamanna | 5-7,3-6,6-4,6-0,6-3 |
| Davis Cup | 2014/04/04 04:00 | Thien Nguyen Hoang v Harshana Godamanna | 2-6,3-6,2-6 |