| Sri Lanka F3, Singles Qualifying | 2017/07/05 03:30 | Godamanna, Harshana v Ornago, Fabrizio | 4-6,2-6 |
| ITF Sri Lanka F2 | 2017/07/02 03:00 | Godamanna, Harshana v Petrone, Alessandro | 1-6,4-6 |
| ITF Sri Lanka F2 | 2017/06/30 03:00 | Abhinav Sanjeev Shanmugam v Godamanna, Harshana | 4-6,6-4,4-6 |
| ITF Sri Lanka F2 | 2017/06/28 08:05 | Godamanna, Harshana v Ornago, Fabrizio | 7-5,2-6,7-5 |
| Coupe Davis | 2016/07/15 02:30 | Susanto, David Agung v Godamanna, Harshana | 6-4,6-4,6-4 |
| Coupe Davis | 2016/03/06 06:40 | Isarow, Pruchya v Godamanna, Harshana | 6-4,6-7,6-3,7-6 |
| Coupe Davis | 2016/03/04 03:00 | Wattanakul, Pol v Godamanna, Harshana | 3-6,7-6,3-6,3-6 |
| Coupe Davis | 2015/07/19 08:10 | Godamanna, Harshana v Samaha, Giovani | 6-3,6-2,6-3 |
| Egypt F18, Singles Qualifying | 2017/06/24 17:45 | Adas, Seif v Solomatin, Igor | 2-6,4-6 |
| Coupe Davis | 2016/07/16 06:30 | Adas, Seif v AL Nabhani, Mohammed | 6-3,6-7,6-7 |
| Coupe Davis | 2016/07/15 06:30 | Adas, Seif v AL Mayahi, Ali Khairi Hashim | 6-3,6-2 |
| Coupe Davis | 2016/07/13 06:30 | Adas, Seif v Yusuf Qaed | 6-1,3-6,6-3 |
| Coupe Davis | 2016/07/12 06:30 | Adas, Seif v Yakhyaev, Mirkhusein | 6-1,6-0 |
| Coupe Davis | 2016/07/11 06:30 | Adas, Seif v Enkhsaikhan, Temuugei | 6-0,6-0 |
| ITF Egypt F33 | 2015/09/02 16:30 | Matejcek, Mario v Adas, Seif | 6-3,2-6,6-3 |
| Coupe Davis | 2015/04/27 08:30 | Adas, Seif v Abdulnabi, Hasan | 6-4,6-3 |