Round: 44 Ground: Hardcourt outdoor
| ITF Nigeria F3 Qual | 2018/04/28 09:00 | Sizya Ernest Kivanda v Idoko, Emmanuel | 6-1,2-6,4-6 |
| ITF Nigeria F2 Qual | 2018/04/21 13:30 | Sizya Ernest Kivanda v Sylvester Emmanuel | 6-7,6-7 |
| ITF Greece F5 | 2018/03/24 10:00 | Feitt, Franco v Sizya Ernest Kivanda | 6-1,7-5 |
| ITF France F5 Qual | 2018/03/11 08:00 | Sizya Ernest Kivanda v Schott, Hugo | 1-6,0-6 |
| ITF France F5 Qual | 2018/03/10 08:30 | Glebov, Viacheslav v Sizya Ernest Kivanda | 1-6,0-6 |
| ITF Great Britain F3 Qual | 2018/02/11 15:00 | Hoyt, Evan 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 Rose, Joshua | 4-6,5-7 |
| ITF Qatar F2 Qual | 2018/03/03 08:00 | Valeov, Hristo v Codescu, Razvan Marius | 5-7,1-6 |
| ITF Qatar F1 Qual | 2018/02/25 12:00 | Butts, Skyler v Valeov, Hristo | 6-3,6-1 |
| ITF Qatar F1 Qual | 2018/02/24 08:00 | Valeov, Hristo v Ramirez, Juan David | 6-2,4-6,6-4 |
| Qatar F6, Qualifications Simples | 2017/12/16 09:20 | Matteo Martineau v Valeov, Hristo | 6-0,6-0 |
| ITF Qatar F5 Qual | 2017/12/10 14:00 | Valeov, Hristo v Cutuli, Domenico | 3-6,4-6 |
| ITF Turkey F31 Qual | 2017/08/19 07:00 | Valeov, Hristo v Atanasov, Martin | 1-6,6-4,4-6 |
| ITF Turkey F30 Qual | 2017/08/13 07:00 | Dimitrov, Martin v Valeov, Hristo | 6-3,6-3 |
| ITF Turkey F30 Qual | 2017/08/12 09:30 | Rossi, Mattia v Valeov, Hristo | 1-6,6-2,2-6 |