Stadium: Hard 20 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Vale Do Lobo | 2021/03/08 10:00 | Ugo Blanchet v Josef Southcombe | 6-3,6-0 |
| ITF M25 Vale Do Lobo | 2021/03/07 10:30 | Josef Southcombe v Tom Paris | 2-6,6-0,10-6 |
| ITF M15 Heraklion | 2021/05/23 06:30 | Ioannis Papounidis v Harry Wendelken | 6-4,3-6,3-10 |
| ITF Greece F7 | 2018/11/03 10:00 | Mathieu Garcia v Ioannis Papounidis | 6-1,6-2 |
| ITF Greece F6 | 2018/10/29 07:30 | Ioannis Papounidis v Domen Gostincar | 3-6,3-6 |
| ITF Greece F6 | 2018/10/28 07:30 | Shinnosuke Hiramatsu v Ioannis Papounidis | 7-5,1-6,0-6 |
| ITF Spain F29 | 2018/09/22 07:00 | Ioannis Papounidis v Rayan Ghedjemis | 3-6,1-6 |
| ITF Spain F18 Qual | 2018/07/07 12:30 | Joffrey De Schepper v Ioannis Papounidis | 6-1,6-2 |
| ITF Spain F13 | 2018/05/28 08:00 | Ioannis Papounidis v Enrique L Rico | 4-6,3-6 |
| ITF Spain F13 | 2018/05/27 08:00 | Ioannis Papounidis v Frederik Oervad | 6-2,4-6,6-2 |