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