Stadium: Court 1 Round: 45 Ground: Hardcourt outdoor
| ITF Kazakhstan F8 | 2018/09/24 07:00 | Tsivadze, George v Fufygin, Mikhail | 4-6,6-3,3-6 |
| ITF Kazakhstan F7 | 2018/09/19 06:00 | Tsivadze, George v van Beem, Colin | 6-7,2-6 |
| ITF Kazakhstan F7 | 2018/09/17 07:00 | Tsivadze, George v Sabanin, Yan | 6-2,6-1 |
| ITF Belarus F3 | 2018/08/22 09:35 | Tsivadze, George v David Poljak | 3-6,3-6 |
| ITF Belarus F3 | 2018/08/21 08:40 | Tsivadze, George v Beibit Zhukayev | 6-3,6-3 |
| ITF Belarus F3 | 2018/08/20 10:00 | Tsivadze, George v Moroz, Danila | 6-1,6-0 |
| ITF Belarus F3 | 2018/08/19 07:00 | Tsivadze, George v Skindzer, Zhan | 6-1,6-3 |
| ITF Belarus F2 | 2018/08/14 07:00 | Tsivadze, George v Koray Kirci | 4-6,4-6 |
| ITF M15 Kaarst | 2019/02/06 11:00 | Kai Lemstra v Mats Rosenkranz | 6-7,6-2,4-6 |
| ITF M15 Kaarst | 2019/02/04 20:45 | Heger, Tim v Kai Lemstra | 6-4,3-6,9-11 |
| Challenger - Koblenz | 2019/01/15 09:00 | Torebko, Peter v Kai Lemstra | 6-1,1-6,6-1 |
| ITF - M15 Monastir | 2019/01/10 10:00 | Kai Lemstra v Jonathan Mridha | 1-6,6-3,2-6 |
| ITF - M15 Monastir | 2019/01/09 11:45 | Seraphim, Christian v Kai Lemstra | 4-6,4-6 |
| ITF Czech Republic F12 | 2018/11/27 09:00 | Remy Bertola v Kai Lemstra | 6-4,6-3 |
| ITF Czech Republic F12 | 2018/11/26 09:00 | Juras, David v Kai Lemstra | 6-4,3-6,6-7 |
| Czech Republic F11, Singles Qualifying | 2018/11/19 11:00 | Marek, Wojciech v Kai Lemstra | 3-6,6-3,7-5 |