Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF Canada F6 | 2018/09/04 16:45 | Vasil Kirkov v Hiroyasu Ehara | 5-7,0-6 |
| ITF USA F23 | 2018/08/17 16:20 | Vasil Kirkov v Andrew Harris | 3-6,6-1,4-6 |
| ITF USA F23 | 2018/08/15 18:35 | Vasil Kirkov v Alan Kohen | 7-5,6-3 |
| ITF USA F22 | 2018/08/08 18:30 | Santiago Rodriguez Taverna v Vasil Kirkov | 3-6,6-3,6-4 |
| ITF USA F22 Qual | 2018/08/06 13:30 | Vasil Kirkov v Gage Brymer | 7-6,6-4 |
| ITF USA F22 Qual | 2018/08/05 14:30 | Vasil Kirkov v Sid Donarski | 6-3,6-2 |
| Challenger Binghamton Qual | 2018/07/21 18:55 | Andrew Harris v Vasil Kirkov | 6-7,6-3,6-2 |
| Challenger Winnetka Qual | 2018/07/07 15:00 | Vasil Kirkov v Emil Reinberg | 5-7,2-6 |
| ITF Canada F6 | 2018/09/04 14:00 | Jack Findel-Hawkins v Michael Zhu | 6-1,6-4 |
| ITF USA F23 | 2018/08/15 14:00 | Michael Zhu v Martin Redlicki | 4-6,4-6 |
| ITF USA F23 Qual | 2018/08/13 14:00 | Michael Zhu v William Bushamuka | 7-5,6-0 |
| ITF Chinese Taipei F2 | 2018/07/26 02:00 | Yu Hsiou Hsu v Michael Zhu | 6-2,6-3 |
| ITF Chinese Taipei F2 | 2018/07/25 02:00 | Bang Shuo Yin v Michael Zhu | 4-6,2-6 |
| ITF Chinese Taipei F1 | 2018/07/22 02:00 | Yu Hsiou Hsu v Michael Zhu | 6-2,6-3 |
| ITF Chinese Taipei F1 | 2018/07/21 02:00 | Ti Chen v Michael Zhu | 4-6,6-4,2-6 |
| ITF Chinese Taipei F1 | 2018/07/20 02:00 | Yuta Kawahashi v Michael Zhu | 6-7,1-6 |