| Coupe Davis | 07/29 09:25 | 2 | Christopher Bulus v Mzai, Ismael Changawa Ruwa | 6-0,6-1 | |
| Coupe Davis | 07/28 09:40 | 2 | Mzai, Ismael Changawa Ruwa v Nkwain, Cliford Wuyum | 6-2,6-4 | |
| Coupe Davis | 07/26 09:30 | 2 | Mzai, Ismael Changawa Ruwa v Abraham Asaba | 7-5,6-4 | |
| Coupe Davis | 08/14 08:00 | - | Mzai, Ismael Changawa Ruwa v N'Tcha, Delmas | 6-4,7-6 | |
| Coupe Davis | 08/13 08:00 | - | Mzai, Ismael Changawa Ruwa v Samuel A O Antwi | 6-2,6-0 | |
| Coupe Davis | 08/12 10:15 | - | Mzai, Ismael Changawa Ruwa v Mata, Franco | Retired | |
| Coupe Davis | 08/11 09:30 | - | Mzai, Ismael Changawa Ruwa v Bertin Karenzi | 7-6,6-2 | |
| Coupe Davis | 03/07 07:45 | 45 | Rungkat, Christopher v Mzai, Ismael Changawa Ruwa | Cancelled | |
| Coupe Davis | 03/06 08:25 | 45 | Susanto, David Agung v Mzai, Ismael Changawa Ruwa | 6-2,6-4 | |
| ITF - M15 Sharm El Sheikh | 02/24 09:00 | 44 | Issei Okamura v Mzai, Ismael Changawa Ruwa | 6-3,3-6,10-5 | |
| ITF - M15 Sharm El Sheikh | 02/18 08:00 | 44 | Mzai, Ismael Changawa Ruwa v Oleksandr Ovcharenko | 3-6,4-6 | |
| ITF - M15 Sharm El Sheikh | 02/17 08:00 | 44 | Shumeiko, Pavel v Mzai, Ismael Changawa Ruwa | 4-6,5-7 | |
| ITF - M15 Sharm El Sheikh | 02/09 12:00 | 44 | Ovcharov, Alexander v Mzai, Ismael Changawa Ruwa | 6-1,6-2 | |
| Coupe Davis | 09/14 09:10 | - | Mata, Franco v Mzai, Ismael Changawa Ruwa | 1-6,1-6 | |
| Coupe Davis | 09/12 10:00 | - | Mzai, Ismael Changawa Ruwa v Nazim Makhlouf | 6-4,7-5 | |
| Coupe Davis | 09/11 09:10 | - | Mzai, Ismael Changawa Ruwa v Rakotohasy, Jean-Jacques | 6-1,2-6,7-6 | |
| Agadir, Singles Qualifying M-ITF-MAR-03A | 07/31 09:00 | 25 | Mzai, Ismael Changawa Ruwa v Dijkhuizen, Marc | 3-6,6-3,3-6 | |
| Agadir, Singles Qualifying M-ITF-MAR-03A | 07/29 13:00 | 54 | Mazon-Hernandez, Rafael v Mzai, Ismael Changawa Ruwa | 4-6,6-3,11-13 | |
| Agadir, Singles Qualifying M-ITF-MAR-03A | 07/29 09:00 | 54 | Zraidi, Amine v Mzai, Ismael Changawa Ruwa | 3-6,3-6 | |
| ITF M15 Casablanca | 07/22 09:00 | 54 | Bessire, Andrea v Mzai, Ismael Changawa Ruwa | 6-2,6-3 | |
| Kampala, Singles Qualifying M-ITF-UGA-02A | 05/22 11:15 | 25 | Bradley, Julian v Mzai, Ismael Changawa Ruwa | 6-2,6-3 | |
| Kampala, Singles Qualifying M-ITF-UGA-02A | 05/13 10:00 | 54 | Kotecha, Sheil v Mzai, Ismael Changawa Ruwa | 6-4,1-6,11-9 | |
| Kampala, Singles Qualifying M-ITF-UGA-02A | 05/08 06:00 | 25 | Mzai, Ismael Changawa Ruwa v Goveas, Aryan | 4-6,2-6 | |
| Antalya, Singles Qualifying W-ITF-TUR-18A | 05/06 10:00 | 54 | Nusdeo, Joao Marcos v Mzai, Ismael Changawa Ruwa | 2-6,3-6 | |
| Antalya, Singles Qualifying W-ITF-TUR-18A | 05/06 05:30 | 54 | Cuma, Issa v Mzai, Ismael Changawa Ruwa | 2-6,1-6 | |
| Coupe Davis | 06/23 09:05 | 28 | Klegou, Alexis v Mzai, Ismael Changawa Ruwa | 7-6,6-4 | |
| Coupe Davis | 06/22 08:40 | - | Mzai, Ismael Changawa Ruwa v Hassan, Mohamed | 6-3,6-0 | |
| Coupe Davis | 06/21 08:40 | 2 | Mzai, Ismael Changawa Ruwa v Jacobs, Tuki | 6-7,3-6 | |
| Coupe Davis | 06/19 08:15 | - | Mzai, Ismael Changawa Ruwa v Mata, Franco | 6-1,6-4 | |
| Coupe Davis | 06/18 11:30 | - | Mzai, Ismael Changawa Ruwa v Aguma, Boris | 6-2,6-1 |