Stadium: Hard 1 Round: 25 Ground: Hardcourt outdoor
| 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 Bosnia and Herzegovina F2 | 2018/05/23 12:30 | Darko Jandric v Ioannis Stergiou | 0-6,3-6 |
| ITF Bosnia and Herzegovina F1 | 2018/05/15 08:00 | Ioannis Stergiou v Petr Hajek | 6-1,3-6,6-7 |
| Davis Cup | 2018/04/06 08:00 | Rrezart Cungu v Ioannis Stergiou | 7-6,6-2 |
| ITF Greece F6 | 2018/10/29 07:30 | George Davies v Austin Rapp | 2-6,5-7 |
| ITF USA F26 Qual | 2018/09/24 17:00 | Jacob Bullard v Austin Rapp | 7-5,2-6,7-5 |
| ITF USA F26 Qual | 2018/09/22 19:00 | Hillel Rousseau v Austin Rapp | 3-6,2-6 |
| ITF USA F26 Qual | 2018/09/21 21:30 | Austin Rapp v Rafael E. Grovas | 6-3,6-1 |
| ITF USA F25 | 2018/09/14 19:00 | Emilio Nava v Austin Rapp | 6-4,0-6,6-2 |
| ITF USA F24 | 2018/09/07 18:30 | Michael Shabaz v Austin Rapp | 6-4,6-7,6-2 |
| ITF USA F19B Qual | 2018/07/14 18:30 | Felix Corwin v Austin Rapp | 6-1,6-3 |
| ITF USA F1 Qual | 2017/12/30 19:30 | Austin Rapp v Gianni Ross | 4-6,6-7 |