Stadium: Hard 1 Round: 25 Ground: Hardcourt outdoor
| ITF Greece F7 | 2018/11/08 11:10 | Ioannis Stergiou v Markos Kalovelonis | 2-6,4-6 |
| ITF Greece F7 | 2018/11/06 09:10 | Ioannis Stergiou v Stefan Palosi | 6-4,7-5 |
| ITF Greece F6 | 2018/10/30 10:55 | Ioannis Stergiou v Austin Rapp | 5-7,5-7 |
| ITF Italy F20 Qual | 2018/07/22 13:00 | Ioannis Stergiou v Ettore Capello | 6-7,5-7 |
| ITF Italy F20 Qual | 2018/07/21 07:30 | Ioannis Stergiou v Elio Jose Ribeiro Lago | 4-6,6-2,6-4 |
| ITF Italy F19 | 2018/07/16 19:00 | Tomas Martin Etcheverry v Ioannis Stergiou | 6-2,7-6 |
| ITF Bosnia and Herzegovina F2 | 2018/05/25 08:00 | Nerman Fatic v Ioannis Stergiou | 6-4,6-0 |
| ITF Bosnia and Herzegovina F2 | 2018/05/24 11:35 | Ioannis Stergiou v Danylo Kalenichenko | 6-1,7-6 |
| ITF Greece F8 | 2018/11/12 07:30 | Leon Hoeveler v Stephanos Schinas | 7-6,6-7,6-3 |
| ITF Greece F8 | 2018/11/11 08:00 | Leon Hoeveler v Ivan Kalinin | 6-4,6-7,6-4 |
| ITF Greece F7 | 2018/11/03 07:30 | Leon Hoeveler v Adam Jones | 3-6,2-6 |
| ITF Germany F16 | 2018/10/21 08:00 | Jakob Cadonau v Leon Hoeveler | 6-3,6-4 |
| ITF Turkey F31 | 2018/10/06 07:00 | Leon Hoeveler v Ivan Ponomarenko | 4-6,6-1,6-2 |
| ITF Switzerland F5 | 2018/09/02 08:30 | Leon Hoeveler v Nicolas Parizzia | 2-6,2-6 |
| ITF Germany F13 | 2018/08/22 12:35 | Leon Hoeveler v Lucas Gerch | 5-7,3-6 |
| ITF Germany F13 | 2018/08/20 09:00 | Matthias Haim v Leon Hoeveler | 6-1,6-2 |