| ITF Greece F5 | 2018/03/24 10:00 | Franco Feitt v Sizya Ernest Kivanda | 6-1,7-5 |
| ITF France F5 Qual | 2018/03/11 08:00 | Sizya Ernest Kivanda v Hugo Schott | 1-6,0-6 |
| ITF France F5 Qual | 2018/03/10 08:30 | Viacheslav Glebov v Sizya Ernest Kivanda | 1-6,0-6 |
| ITF Great Britain F3 Qual | 2018/02/11 15:00 | Evan Hoyt v Sizya Ernest Kivanda | 6-2,7-6 |
| ITF Great Britain F3 Qual | 2018/02/11 12:00 | Sizya Ernest Kivanda v Michael Shaw | 6-4,6-1 |
| ITF Great Britain F1 | 2018/01/28 14:00 | Sizya Ernest Kivanda v Joshua Rose | 4-6,5-7 |
| ITF Israel F18 | 2017/12/09 08:00 | Ofek Amoyal v Sizya Ernest Kivanda | 7-5,4-6,6-4 |
| ITF Israel F17 | 2017/12/04 10:00 | Jordan Hasson v Sizya Ernest Kivanda | 6-4,6-4 |
| ITF Nigeria F1 | 2018/04/17 14:10 | Sylvester Emmanuel v Ronnie Schneider | 2-6,3-6 |
| ITF Nigeria F1 | 2018/04/15 10:00 | Giovani Samaha v Sylvester Emmanuel | 4-6,5-7 |
| ITF Nigeria F1 | 2018/04/14 10:00 | Adebola Obasoto v Sylvester Emmanuel | 1-6,2-6 |
| ITF Spain F31 Qual | 2017/09/25 07:30 | Javier Barranco Cosano v Sylvester Emmanuel | 6-0,6-2 |
| ITF Spain F31 Qual | 2017/09/24 07:30 | Loick Bruandet v Sylvester Emmanuel | 5-7,3-6 |
| ITF Spain F30 | 2017/09/19 08:30 | Viktor Durasovic v Sylvester Emmanuel | 6-4,7-6 |
| ITF Spain F30 Qual | 2017/09/18 08:30 | Sylvester Emmanuel v Carlos Fernandez-Espinar | 6-4,5-7,5-7 |
| ITF Spain F30 Qual | 2017/09/17 13:30 | Sylvester Emmanuel v Carlos Fernandez-Ventura | 6-0,6-1 |