Stadium: Court 3 Round: 25 Ground: Clay
| Davis Cup | 2018/04/06 08:00 | Rrezart Cungu v Ioannis Stergiou | 7-6,6-2 |
| Davis Cup | 2018/04/05 09:15 | Ioannis Stergiou v Sedrak Khachatryan | 6-1,6-3 |
| Davis Cup | 2018/04/04 07:00 | Roberts Grinvalds v Ioannis Stergiou | 0-6,4-6 |
| ITF Greece F5 | 2018/03/29 10:15 | Ioannis Stergiou v Tomas Barrios Vera | 3-6,3-6 |
| ITF Greece F5 | 2018/03/28 06:00 | Markos Kalovelonis v Ioannis Stergiou | 3-6,2-6 |
| ITF Greece F4 | 2018/03/21 12:45 | Petr Michnev v Ioannis Stergiou | 6-4,6-4 |
| ITF Greece F3 | 2018/03/14 08:00 | Filippo Baldi v Ioannis Stergiou | 6-7,6-2,6-2 |
| ITF Greece F2 | 2018/03/08 10:25 | Jakob Sude v Ioannis Stergiou | 7-6,6-1 |
| ITF Poland F2 | 2018/05/11 07:30 | Petr Hajek v Pascal Meis | 3-6,3-6 |
| ITF Poland F2 | 2018/05/09 08:00 | Petr Hajek v Andrey Chepelev | 6-4,6-4 |
| ITF Poland F2 | 2018/05/07 11:00 | Jordi Samper-Montana v Petr Hajek | 1-6,4-6 |
| ITF Egypt F15 | 2018/04/26 09:00 | Thomas Statzberger v Petr Hajek | 6-4,6-2 |
| ITF Egypt F15 | 2018/04/25 09:20 | Petr Hajek v Neven Krivokuca | 6-4,6-4 |
| ITF Egypt F11 | 2018/03/30 08:00 | Petr Hajek v Lucas Miedler | 0-6,0-6 |
| ITF Egypt F11 | 2018/03/29 09:15 | Francesco Vilardo v Petr Hajek | 2-6,1-6 |
| ITF Egypt F10 | 2018/03/19 08:00 | Petr Hajek v Giovani Samaha | 6-3,5-7,6-7 |