Mattias Southcombe
2021
| J4 ISTANBUL-2 | [4] | Semi |
| J4 ISTANBUL | [5] | Quarter |
| J3 ISTANBUL-3 | 2R | |
| J5 PUSZCZYKOWO | [3] | 1R |
| J4 SZCZECIN | 1R | |
| J5 ANTALYA | [6] | 2R |
| J4 ANTALYA | 1R | |
| J4 FRANKFURT | 1R |
2020
Nation
GBR
World Ranking
ATP Ranking　2118th
Year-end Junior World Ranking
- Year-end 2021 643th
- Year-end 2020 467th
- Year-end 2019 1581th
Match Details
2021 J4 ISTANBUL-2
| W | 1R | Ataol Toker | 6-2 6-3 |
| W | 2R | Berk Tunali | 6-4 6-2 |
| W | QF | Gokberk Saritas | 7-5 6-4 |
| L | SF | Woobin Shin | 3-6 7-5 3-6 |
2021 J4 ISTANBUL
| W | 1R | Umut Kaan Yenilmez | 7-6 6-2 |
| W | 2R | Georgi Georgiev | 6-2 6-4 |
| L | QF | Woobin Shin | 4-6 6-3 3-6 |
2021 J3 ISTANBUL-3
| W | 1R | Henrique Petiz | 2-6 7-6 6-2 |
| L | 2R | Charlelie Cosnet | 2-6 7-5 4-6 |
2021 J5 PUSZCZYKOWO
| L | 1R | Kacper Szymkowiak | 6-7 6-2 2-6 |
2021 J4 SZCZECIN
| L | 1R | Adam Panaras | 4-6 4-6 |
2021 J5 ANTALYA
| W | 1R | Yanaki Milev | 6-2 7-6 |
| L | 2R | Atakan Karahan | 7-6 6-7 6-7 |
2021 J4 ANTALYA
| L | 1R | Dino Prizmic | 2-6 4-6 |
2021 J4 FRANKFURT
| L | 1R | Filip Pieczonka | 2-6 3-6 |
2020 J5 SIROKIBRIJEG
| W | 1R | Lovre Erceg | 6-4 6-1 |
| W | 2R | Dragomir Draganov | 6-3 6-2 |
| W | QF | Sebastian Dominko | 6-4 6-2 |
| W | SF | Filip Mandovic | 6-2 6-2 |
| W | F | Noa Vukadin | 3-6 6-3 6-4 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9670, Number of registered players: 6,052, Number of registered results: 333,569