Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2019/01/10 08:00 | Gray, Jonathan v Ratniuk, Maxim | 6-0,6-0 |
| ITF Poland F2 | 2018/05/11 09:30 | Gray, Jonathan v Ratniuk, Maxim | 0-6,1-6 |
| ITF - M15 Monastir | 2019/01/10 08:00 | Gray, Jonathan v Ratniuk, Maxim | 6-0,6-0 |
| ITF - M15 Monastir | 2019/01/09 09:55 | Ratniuk, Maxim v Garcia, Mathieu | 6-1,4-6,7-6 |
| ITF Estonia F3 | 2018/11/06 14:00 | Paris, Joshua v Ratniuk, Maxim | 6-4,6-4 |
| ITF Estonia F2 | 2018/10/31 10:50 | Saar, Karl Kiur v Ratniuk, Maxim | 7-5,6-1 |
| ITF Estonia F2 | 2018/10/29 10:40 | Tverijonas, Aleksas v Ratniuk, Maxim | 6-4,4-6,4-6 |
| ITF Turkey F32 | 2018/10/16 07:00 | Ratniuk, Maxim v Veldheer, Mick | 6-4,4-6,4-6 |
| ITF Turkey F31 | 2018/10/09 07:00 | Katic, Dejan v Ratniuk, Maxim | 6-4,6-3 |
| ITF Russia F8 | 2018/08/29 09:25 | Boborykin, Alexander v Ratniuk, Maxim | 6-1,7-6 |
| ITF - M15 Monastir | 2019/01/11 10:00 | Gray, Jonathan v Luca Giacomini | 1-6,2-6 |
| ITF - M15 Monastir | 2019/01/10 08:00 | Gray, Jonathan v Ratniuk, Maxim | 6-0,6-0 |
| ITF - M15 Monastir | 2019/01/09 10:00 | Gray, Jonathan v Zribi, Rayen | 6-0,6-0 |
| ITF Tunisia F36 | 2018/10/21 09:00 | Bega, Alessandro v Gray, Jonathan | 6-7,4-6 |
| ITF Tunisia F36 | 2018/10/20 09:30 | Du Toit, Lance-Pierre v Gray, Jonathan | 6-7,4-6 |
| ITF Tunisia F36 | 2018/10/19 10:50 | Pierre Delage v Gray, Jonathan | 5-7,6-7 |
| ITF Tunisia F35 | 2018/10/09 10:15 | Gray, Jonathan v Staeheli, Luca | 4-6,7-5,2-6 |
| ITF Portugal F18 | 2018/09/26 13:30 | Gray, Jonathan v Monteiro, Joao | 2-6,6-3,2-6 |