| UK Pro League | 09/03 09:30 | 1 | Jack Gibbens v Mattias Southcombe | 6-7,7-6,10-5 | |
| UK Pro League | 09/02 15:15 | 1 | Michael Shaw v Mattias Southcombe | 6-3,6-4 | |
| UK Pro League | 09/01 16:30 | - | Maceo Simpson v Mattias Southcombe | 6-7,6-7 | |
| UK Pro League | 08/31 13:00 | - | Joshua Paris v Mattias Southcombe | 6-2,6-7,10-8 | |
| UK Pro League | 08/29 10:00 | - | Mattias Southcombe v George Houghton | 2-6,2-6 | |
| ITF M25 Roehampton | 08/22 10:50 | 19 | Mattias Southcombe v Sean Hodkin | 2-6,3-6 | |
| ITF M25 Roehampton | 08/21 09:00 | 54 | Mattias Southcombe v Liam Hignett | 6-3,4-6,12-10 | |
| ITF M25 Aldershot | 08/15 10:45 | 19 | Mattias Southcombe v Nicholas Jovanovski | 3-6,6-7 | |
| ITF M25 Aldershot | 08/14 09:00 | 54 | Mattias Southcombe v Ying Hou | 6-2,6-3 | |
| ITF M25 Roehampton | 07/10 10:00 | 54 | Mattias Southcombe v James Story | 3-6,1-6 | |
| ITF M15 Monastir | 07/04 07:30 | 62 | Mattias Southcombe v Ignacio B Alia | 1-6,6-3,7-10 | |
| ITF M15 Monastir | 06/27 16:30 | 62 | Andres F Canovas v Mattias Southcombe | 6-3,6-1 | |
| ITF M15 Monastir | 06/27 07:30 | 62 | Arystanbek Kaparov v Mattias Southcombe | 3-6,6-7 | |
| ITF M15 Monastir | 06/26 08:00 | 62 | Ethan Gaubert v Mattias Southcombe | 3-6,6-3,2-10 | |
| ITF M15 Raanana | 06/22 08:00 | 25 | Mattias Southcombe v Emil Reinberg | 3-6,4-6 | |
| ITF M15 Raanana | 06/21 06:30 | 62 | Mattias Southcombe v Robin Catry | 5-7,4-6 | |
| ITF M15 Raanana | 06/16 12:05 | 26 | Mattias Southcombe v Emil Reinberg | 3-6,0-6 | |
| ITF M15 Raanana | 06/15 12:35 | 25 | Jonas Trinker v Mattias Southcombe | 7-5,3-6,5-7 | |
| ITF M15 Raanana | 06/14 07:00 | 62 | Eduardo Cohen v Mattias Southcombe | 4-6,3-6 | |
| ITF M15 Raanana | 06/13 07:00 | 62 | Yevhenii Bondarenko v Mattias Southcombe | 6-7,3-6 | |
| ITF M25 Netanya | 05/24 08:30 | 62 | Shay Bar Menahem v Mattias Southcombe | 7-6,6-0 | |
| ITF M25 Netanya | 05/23 09:10 | 62 | Niv Zuckerman v Mattias Southcombe | 4-6,6-2,8-10 | |
| ITF M25 Netanya | 05/22 07:00 | 62 | Dor Yakob Wertheimer v Mattias Southcombe | 0-6,2-6 | |
| ITF M15 Akko | 05/19 10:10 | 26 | Sahar Simon v Mattias Southcombe | 7-5,1-6,6-1 | |
| ITF M15 Akko | 05/18 11:10 | 25 | Gilad Tamar v Mattias Southcombe | 1-6,4-6 | |
| ITF M15 Akko | 05/16 06:30 | 62 | Adi Dagan v Mattias Southcombe | 1-6,4-6 | |
| ITF M25 Nottingham - selejtező | 05/08 10:55 | 54 | Mattias Southcombe v Phoenix Weir | 1-6,5-7 | |
| ITF M25 Nottingham | 05/03 13:15 | 25 | Mattias Southcombe v Lucas Poullain | 2-6,3-6 | |
| ITF M25 Nottingham | 05/02 13:10 | 54 | Michael Shaw v Mattias Southcombe | 7-6,3-6,12-14 | |
| ITF M25 Nottingham | 05/01 14:10 | 54 | Mattias Southcombe v Patrick Foley | 6-1,5-7,10-7 |