| ITF - Ipoh Perak - M15 | 11/21 08:00 | 62 | Mattias Southcombe v Lakshya Gupta | 6-3,3-6,10-6 | |
| ITF - Ipoh Perak - M15 | 11/20 05:30 | 62 | Mattias Southcombe v Anthony Susanto | 6-2,6-4 | |
| ITF - Kuching M15 | 11/15 03:30 | 25 | Andre Ilagan v Mattias Southcombe | 6-1,6-2 | |
| ITF - Kuching M15 | 11/14 02:00 | 44 | Mattias Southcombe v Ying-Ze Chen | 6-1,6-4 | |
| ITF - Kuching M15 | 11/13 03:00 | 44 | Mattias Southcombe v Junhyun Lee | 2-6,6-2,10-7 | |
| ITF - Hua Hin M15 | 11/05 07:45 | 54 | Mattias Southcombe v Freek Van Donselaar | Retired | |
| ITF - Dharwad M25 | 10/16 04:00 | 54 | Mattias Southcombe v Dharmil Shah | 1-6,2-6 | |
| ITF - Ahmedabad M15 | 10/11 04:30 | 26 | Mattias Southcombe v Ishaque Eqbal | 0-6,2-6 | |
| ITF - Ahmedabad M15 | 10/10 05:05 | 25 | Faisal Qamar v Mattias Southcombe | 6-7,5-7 | |
| ITF - Ahmedabad M15 | 10/09 08:15 | 44 | Mattias Southcombe v Manish Ganesh | 6-4,1-6,12-10 | |
| ITF - Ahmedabad M15 | 10/08 08:30 | 44 | Mattias Southcombe v Tushar Madan | 6-4,2-6,10-7 | |
| ITF - Doha M15 | 10/03 12:00 | 54 | Mattias Southcombe v Julien De Cuyper | 6-1,2-6,11-13 | |
| ITF - Kigali M25 | 09/13 09:40 | 25 | Julian Desousa v Mattias Southcombe | 6-3,6-2 | |
| ITF - Kigali M25 | 09/07 08:50 | 26 | Corentin Denolly v Mattias Southcombe | 6-3,6-2 | |
| ITF - Kigali M25 | 09/06 09:40 | 25 | Mattias Southcombe v Kabir Hans | 6-2,6-3 | |
| ITF - Kigali M25 | 09/04 07:30 | 19 | Mattias Southcombe v Moritz Schroeter | 1-6,5-7 | |
| ITF - Yinchuan M25 | 08/15 01:55 | 62 | Wenfu Li v Mattias Southcombe | 4-6,7-6,10-6 | |
| ITF - Yinchuan M25 | 08/14 02:00 | 62 | Rui Ning Huang v Mattias Southcombe | 1-2 | |
| ITF - Baotou M25 | 08/10 01:30 | 26 | Mattias Southcombe v Duckhee Lee | 3-6,4-6 | |
| ITF - Baotou M25 | 08/08 03:20 | 25 | Kyle Lok Yin Tang v Mattias Southcombe | 2-6,5-7 | |
| ITF - Baotou M25 | 08/07 03:20 | 54 | Mattias Southcombe v Chen-Yu Lu | 6-7,2-6 | |
| ITF - Anning M25 | 08/02 03:10 | 25 | Zhenxiong Dong v Mattias Southcombe | 6-7,6-2,7-5 | |
| ITF - Anning M25 | 08/01 01:25 | 62 | Yu-Hsiang Su v Mattias Southcombe | 4-6,4-6 | |
| ITF - Anning M25 | 07/31 04:55 | 62 | Zhuyuan Li v Mattias Southcombe | 5-7,4-6 | |
| ITF - Anning M25 | 07/30 01:00 | 62 | Shenglin Zhuo v Mattias Southcombe | 3-6,7-5,9-11 | |
| ITF - Fuzhou M25 | 07/20 13:40 | 26 | Mattias Southcombe v Zhe Li | 2-6,6-7 | |
| ITF - Fuzhou M25 | 07/19 15:00 | 25 | Mattias Southcombe v Jianhao Sheng | 7-5,7-6 | |
| ITF - Fuzhou M25 | 07/18 02:00 | 62 | Mattias Southcombe v Ki Lung NG | 6-3,6-3 | |
| ITF - Fuzhou M25 | 07/17 03:20 | 62 | Mattias Southcombe v Wai Yu Kai | 6-7,6-1,10-4 | |
| ITF - Shanghai M15 | 07/12 09:50 | 25 | Mattias Southcombe v Hanwen Li | 6-4,2-6,4-6 |