Stadium: Court 5 Round: 26 Ground: Clay
| ITF Sri Lanka F2 | 2018/06/22 07:00 | David Perez Sanz v Manish Sureshkumar | 6-4,6-4 |
| ITF Sri Lanka F2 | 2018/06/21 06:00 | Vinayak Sharma Kaza v Manish Sureshkumar | 5-7,5-7 |
| ITF Sri Lanka F2 | 2018/06/20 04:00 | Giovani Samaha v Manish Sureshkumar | 5-7,1-6 |
| ITF Sri Lanka F2 | 2018/06/19 06:30 | Darko Jandric v Manish Sureshkumar | 3-6,2-6 |
| ITF Sri Lanka F1 | 2018/06/17 05:30 | Manish Sureshkumar v Alexander Zhurbin | 5-7,2-6 |
| ITF Sri Lanka F1 | 2018/06/15 06:00 | Mohit Mayur Jayaprakash v Manish Sureshkumar | 3-6,0-6 |
| ITF Sri Lanka F1 | 2018/06/14 07:30 | Pruchya Isarow v Manish Sureshkumar | 4-6,5-7 |
| ITF Sri Lanka F1 | 2018/06/13 04:00 | Sharmal Dissanayake v Manish Sureshkumar | 3-6,4-6 |
| ITF Sri Lanka F3 | 2018/06/26 05:55 | Diego Matos v Chanchai Sookton-Eng | 6-3,6-4 |
| ITF Sri Lanka F3 | 2018/06/23 04:00 | Vignesh Peranamallur v Diego Matos | 4-6,2-6 |
| ITF Sri Lanka F2 | 2018/06/18 10:30 | Chayanon Kaewsuto v Diego Matos | 6-4,7-6 |
| ITF Sri Lanka F2 | 2018/06/17 08:00 | Tonkla Mulada v Diego Matos | 0-6,2-6 |
| ITF Sri Lanka F1 | 2018/06/12 04:00 | Diego Matos v S D Prajwal Dev | 2-6,0-6 |
| ITF Sri Lanka F1 | 2018/06/10 07:00 | Lakshit Sood v Diego Matos | 4-6,1-6 |
| ITF Sri Lanka F1 | 2018/06/09 04:30 | Tonkla Mulada v Diego Matos | 1-6,4-6 |
| ITF Brazil F4 Qual | 2018/05/14 15:30 | Gabriel Ciro Da Silva v Diego Matos | 6-3,6-2 |