Stadium: Centre Court Round: 62 Ground: Hardcourt outdoor
| ITF M25 Sunderland | 2023/01/22 16:00 | Damian Rodriguez v Mattias Southcombe | 6-3,6-0 |
| ITF M25 Sheffield | 2023/01/16 11:15 | Tristan McCormick v Mattias Southcombe | 4-6,6-3,10-8 |
| ITF M25 Sheffield | 2023/01/15 13:20 | Mattias Southcombe v Matthew Summers | 6-3,6-3 |
| UK Pro League | 2022/11/07 14:00 | Anton Matusevich v Mattias Southcombe | 6-3,6-2 |
| ITF M25 Jerusalem | 2022/11/02 13:00 | Louis Wessels v Mattias Southcombe | 6-7,6-3,7-5 |
| ITF M15 Maputo | 2022/10/11 07:30 | Mattias Southcombe v Guy Orly Iradukunda | 6-1,2-6,3-6 |
| ITF M15 Maputo | 2022/10/04 07:30 | Mattias Southcombe v Denis Constantin Spiridon | 3-6,4-6 |
| ITF M25 Budapest | 2022/09/05 09:30 | Mattias Southcombe v Leyton Rivera | 4-6,4-6 |
| ITF M15 Nanchang | 2019/09/29 02:00 | Zijiang Yang v Yeswanth Loganathan | 3-6,6-2,9-11 |
| ITF M15 Nanchang | 2019/09/22 02:00 | Linang Xiao v Zijiang Yang | 6-4,6-2 |
| ITF M15 Nanchang | 2019/09/15 02:00 | Yu Hsiang Chiu v Zijiang Yang | 6-1,7-5 |
| ITF M25 Qujing | 2019/07/08 04:30 | Sam Taylor v Zijiang Yang | 7-5,6-4 |
| ITF M25 Kunshan | 2019/07/02 05:40 | Cheng Han v Zijiang Yang | 6-4,6-4 |
| ITF M25 Kunshan | 2019/07/01 08:40 | Zijiang Yang v Anatoliy Petrenko | 2-6,7-5,10-6 |
| ITF M25 Kunshan | 2019/07/01 06:00 | Zijiang Yang v Anatoliy Petrenko | 2-6,7-5,0-0 |
| ITF M25 Yinchuan | 2019/06/24 02:00 | Martin Borisiouk v Zijiang Yang | 6-0,6-1 |