| ITF M15 Shanghai | 07/11 02:00 | 62 | 버거, 안토인 v Mattias Southcombe | 2-6,6-0,7-10 | |
| ITF M15 Shanghai | 07/10 02:00 | 62 | 신, 정호 v Mattias Southcombe | 2-6,5-7 | |
| ITF M15 Tianjin | 07/04 06:00 | 62 | Ye Hongyu v Mattias Southcombe | 7-5,6-2 | |
| ITF M15 Tianjin | 07/03 01:00 | 62 | Yutong Su v Mattias Southcombe | 4-6,1-6 | |
| ITF M15 Tianjin | 07/02 07:30 | 62 | 밍저우, 저우 v Mattias Southcombe | 0-6,0-6 | |
| ITF M15 Tianjin | 06/26 06:00 | 62 | Mattias Southcombe v He Ziheng | 6-4,6-7,8-10 | |
| ITF M15 Tianjin | 06/25 06:00 | 62 | Mattias Southcombe v Zhang, Yu | 7-5,7-6 | |
| ITF M15 Tianjin | 06/19 03:30 | 62 | Mattias Southcombe v 정, 얀지에 | 6-3,7-5 | |
| ITF M15 Tianjin | 06/18 02:00 | 62 | Mattias Southcombe v 허, 시아우위 | 6-2,6-3 | |
| ITF M15 Tianjin | 06/14 06:10 | 25 | 리우, 한이 v Mattias Southcombe | 6-4,6-1 | |
| ITF M15 Tianjin | 06/13 02:00 | 62 | Mattias Southcombe v 양, 즈지앙 | 6-3,3-6,10-8 | |
| ITF M15 Addis Ababa | 05/23 13:30 | 25 | 로크, 벤자민 v Mattias Southcombe | 6-1,6-0 | |
| ITF M15 Addis Ababa Qual | 05/22 10:50 | 54 | Mattias Southcombe v Benjamin I T Fernandez | 7-5,6-3 | |
| ITF M15 Addis Ababa Qual | 05/22 06:55 | 54 | Mattias Southcombe v 마단, 투사르 | 6-2,6-3 | |
| ITF M15 Addis Ababa | 05/15 08:00 | 54 | Mattias Southcombe v 발도비네티, 겔포 | 5-7,6-7 | |
| ITF M15 Addis Ababa | 05/14 07:00 | 54 | Mattias Southcombe v Cooper, Joe | 6-1,6-2 | |
| ITF M25 Kursumlijska Banja | 05/08 07:00 | 62 | Romeo Hadzimehmedovic v Mattias Southcombe | 6-4,6-3 | |
| ITF M15 Monastir | 04/23 10:00 | 62 | Youssef Labbene v Mattias Southcombe | 6-2,6-2 | |
| ITF M15 Monastir | 04/16 08:00 | 62 | 스테인거, 야니크 v Mattias Southcombe | 6-1,6-2 | |
| UTR Pro Easton | 04/08 08:00 | - | Simkiss, Luke v Mattias Southcombe | 6-3,6-7,4-6 | |
| UTR Pro Easton | 04/07 08:30 | - | Mattias Southcombe v 메이커, 사헤이 | 6-3,6-2 | |
| UTR Pro Easton | 04/06 11:30 | - | 데니소브, 이반 v Mattias Southcombe | 6-3,5-4 | |
| UTR Pro Easton | 04/05 08:30 | - | Rae, Kyle Alastair Rae v Mattias Southcombe | 6-2,6-3 | |
| UTR Pro Easton | 04/04 10:00 | - | Axel Bergdahl v Mattias Southcombe | 7-6,6-4 | |
| UTR Pro Easton | 04/02 10:30 | - | Louis Bowden v Mattias Southcombe | 6-3,5-3 | |
| ITF M25 Sunderland | 01/22 16:00 | 54 | Rodriguez, Damian v Mattias Southcombe | 6-3,6-0 | |
| ITF M25 Sheffield | 01/16 11:15 | 54 | Mccormick, Tristan v Mattias Southcombe | 4-6,6-3,10-8 | |
| ITF M25 Sheffield | 01/15 13:20 | 54 | Mattias Southcombe v Summers, Matthew | 6-3,6-3 | |
| UK Pro League | 11/07 14:00 | 1 | 마투세비치, 안톤 v Mattias Southcombe | 6-3,6-2 | |
| ITF M25 Jerusalem | 11/02 13:00 | 25 | 웨셀스, 루이스 v Mattias Southcombe | 6-7,6-3,7-5 |