Stadium: COURT 1 Round: 25 Ground: Hardcourt indoor
| ITF Turkey F41 | 2018/12/21 08:45 | Kalovelonis, Markos v Oriol Roca Batalla | 1-6,4-6 |
| ITF Turkey F41 | 2018/12/21 06:00 | Kalovelonis, Markos v Manole, Alexandru Vasile | 6-3,6-3 |
| ITF Turkey F41 | 2018/12/20 10:20 | Kalovelonis, Markos v Abdel-Aziz, Mohamed | 7-5,6-1 |
| ITF Turkey F41 | 2018/12/19 10:30 | Kalovelonis, Markos v Abdel-Aziz, Mohamed | 7-5,5-1 |
| ITF Greece F8 | 2018/11/16 08:00 | Pervolarakis, Michail v Kalovelonis, Markos | 6-4,6-3 |
| ITF Greece F8 | 2018/11/15 08:00 | Ibrahim, Hasan v Kalovelonis, Markos | 6-7,2-6 |
| ITF Greece F8 | 2018/11/13 09:00 | Pedro Vives Marcos v Kalovelonis, Markos | 2-6,7-6,4-6 |
| ITF Greece F7 | 2018/11/10 08:00 | Pervolarakis, Michail v Kalovelonis, Markos | 7-6,6-4 |
| ITF - M15 Monastir | 2019/01/07 11:00 | Garcia, Mathieu v Bolotov, Sergey | 6-7,6-4,10-3 |
| ITF - M15 Monastir | 2019/01/07 09:00 | Cheraag Bajwa v Bolotov, Sergey | 5-7,2-6 |
| ITF Turkey F39 | 2018/12/02 06:30 | Bolotov, Sergey v Nikitin, Viktor | 2-6,4-6 |
| ITF Turkey F39 | 2018/12/01 06:30 | RunYu Zhao v Bolotov, Sergey | 6-7,6-4,1-6 |
| ITF Turkey F38 | 2018/11/24 09:30 | Hans Albert Schubert v Bolotov, Sergey | 7-6,4-6,6-4 |
| ITF Tunisia F32 | 2018/09/15 08:30 | Sisam, Macsen v Bolotov, Sergey | 6-1,6-4 |
| ITF Tunisia F31 | 2018/09/12 12:10 | Ferchichi, Mounir v Bolotov, Sergey | 6-2,7-6 |
| ITF Tunisia F31 | 2018/09/10 09:00 | Bolotov, Sergey v Sisam, Macsen | 4-6,4-6 |