Stadium: Court 2 Round: 26 Ground: Clay
| ITF Bosnia and Herzegovina F2 | 2017/06/01 10:15 | Danylo Kalenichenko v Ioannis Stergiou | 4-6,3-6 |
| 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 |
| 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 Bosnia and Herzegovina F2 | 2018/05/23 08:00 | Lingxi Zhao v Danylo Kalenichenko | 6-7,6-0,2-6 |
| ITF Nigeria F3 | 2018/04/30 13:15 | Youssef Hossam v Danylo Kalenichenko | 6-2,6-2 |
| ITF Nigeria F2 | 2018/04/25 09:00 | Danylo Kalenichenko v Maximilian Neuchrist | 4-6,2-6 |
| ITF Nigeria F2 | 2018/04/23 09:00 | Danylo Kalenichenko v Hugo Largo | 6-4,3-6,6-4 |
| ITF Nigeria F1 | 2018/04/20 11:05 | Danylo Kalenichenko v Joao Menezes | 1-6,1-6 |
| ITF Nigeria F1 | 2018/04/19 10:40 | Danylo Kalenichenko v Tukhula Jacobs | 6-1,6-3 |
| ITF Nigeria F1 | 2018/04/18 09:00 | Ivan Sabanov v Danylo Kalenichenko | 4-6,3-6 |
| ITF Nigeria F1 | 2018/04/17 12:00 | Danylo Kalenichenko v Diego Matos | 3-6,6-3,6-3 |