Round: 62 Ground: Hardcourt outdoor
| Challenger Aptos | 2018/08/04 17:20 | Alafia Ayeni v Adam Mash | 6-3,6-2 |
| Binghamton, USA | 2018/07/27 14:00 | Lloyd Harris v Alafia Ayeni | 6-3,6-3 |
| Binghamton, USA | 2018/07/26 23:00 | Lloyd Harris v Alafia Ayeni | 6-3,6-3 |
| ITF USA F19B Qual | 2018/07/16 18:50 | Alafia Ayeni v Smith, Roy | 5-7,6-1,4-6 |
| ITF USA F19B Qual | 2018/07/15 15:00 | Alafia Ayeni v Silverstein, Josh | 6-0,6-1 |
| Challenger Winnetka Qual | 2018/07/08 16:40 | Alafia Ayeni v Reinberg, Emil | 6-3,4-6,5-7 |
| Challenger Winnetka Qual | 2018/07/07 15:00 | Hiltzik, Jared v Alafia Ayeni | 3-6,6-7 |
| ITF Canada F3 | 2018/06/19 16:00 | Alafia Ayeni v Seeberger, Matt | 6-0,6-7,5-7 |
| ITF USA F22 Qual | 2018/08/05 14:30 | Kirkov, Vasil v Donarski, Sid | 6-3,6-2 |
| ITF USA F22 Qual | 2018/08/04 13:30 | Lunn, Justin v Donarski, Sid | 0-6,2-6 |
| ITF USA F21 Qual | 2018/07/28 14:00 | Matias Soto v Donarski, Sid | 6-2,6-4 |
| ITF USA F16 | 2018/06/17 17:00 | Cannon Kingsley v Donarski, Sid | 6-0,6-1 |
| ITF USA F16 | 2018/06/16 17:00 | Benjamin, Jordan v Donarski, Sid | 6-7,6-7 |
| ITF USA F14 | 2018/06/10 15:00 | Knight, Alexander v Donarski, Sid | 6-1,7-5 |
| ITF Israel F6 | 2018/05/05 06:30 | Luria, Emmanuel v Donarski, Sid | 6-4,6-2 |
| ITF Israel F5 | 2018/04/28 07:30 | Alexey Aleshchev v Donarski, Sid | 6-2,6-3 |