Round: 46 Ground: Hardcourt outdoor
| Challenger Tashkent | 2018/10/06 06:30 | Rubin Statham v Sumit Nagal | 3-6,6-1,6-1 |
| Challenger - Sibiu | 2018/09/18 07:00 | Sumit Nagal v Pedro Sousa | 2-6,4-6 |
| Challenger - Stettin | 2018/09/08 11:20 | Sumit Nagal v Gonzalo Lama | 4-6,4-6 |
| Challenger - Genua | 2018/09/06 09:00 | Cristian Garin v Sumit Nagal | 3-6,6-3,6-4 |
| Challenger - Genua | 2018/09/04 15:15 | Stefano Napolitano v Sumit Nagal | 4-6,2-6 |
| Challenger - Genua | 2018/09/03 09:20 | Sumit Nagal v Juan Pablo Varillas | 6-1,6-4 |
| Challenger - Genua | 2018/09/02 14:45 | Sumit Nagal v Jan Satral | 6-2,6-7,6-4 |
| Challenger - Genua | 2018/09/02 08:50 | Sumit Nagal v Luca Prevosto | 6-3,6-2 |
| Challenger Stockton | 2018/09/29 17:00 | Michael Zhu v Steven Diez | 5-7,3-6 |
| ITF USA F26 | 2018/09/25 17:00 | Michael Zhu v Alan Kohen | 2-6,6-2,5-7 |
| ITF USA F25 | 2018/09/21 19:00 | Maxime Cressy v Michael Zhu | 6-0,6-7,6-4 |
| ITF USA F25 | 2018/09/20 17:00 | Justin Roberts v Michael Zhu | 1-6,1-6 |
| ITF USA F25 | 2018/09/19 20:25 | Filip Kraljevic v Michael Zhu | 7-5,6-7,1-6 |
| ITF Canada F7 | 2018/09/12 18:15 | Michael Zhu v Michail Pervolarakis | 2-6,3-6 |
| ITF Canada F7 | 2018/09/11 20:55 | Vasil Kirkov v Michael Zhu | 2-6,3-6 |
| ITF Canada F6 | 2018/09/04 14:00 | Jack Findel-Hawkins v Michael Zhu | 6-1,6-4 |