[272] Illya Marchenko 6-4,6-2 Lukas Klein [329] 2019-10-22 08:00
Stadium: Arena Annexe Round: 24 Ground: Hardcourt indoor
Home History
| Challenger Brest | 2019/10/21 09:00 | Illya Marchenko v Jules Okala | 6-2,6-2 |
| Challenger Ismaning | 2019/10/14 12:45 | Illya Marchenko v Vitaliy Sachko | 6-7,3-6 |
| Challenger Nur-Sultan 2 | 2019/10/06 06:00 | Yannick Maden v Illya Marchenko | 6-4,4-6,3-6 |
| Challenger Nur-Sultan 2 | 2019/10/05 06:00 | Illya Marchenko v Ruben Bemelmans | 1-6,7-6,6-4 |
| Challenger Nur-Sultan 2 | 2019/10/04 06:35 | Illya Marchenko v Konstantin Kravchuk | 6-4,6-3 |
| Challenger Nur-Sultan 2 | 2019/10/03 06:50 | Teymuraz Gabashvili v Illya Marchenko | 4-6,2-6 |
| Challenger Nur-Sultan 2 | 2019/10/02 08:40 | Illya Marchenko v Matteo Viola | 6-4,6-3 |
| Challenger Nur-Sultan 2 | 2019/09/30 07:40 | Illya Marchenko v Maximilian Neuchrist | 6-4,7-5 |
Away History
| Challenger Ismaning | 2019/10/15 11:30 | Lukas Klein v Julian Lenz | 4-6,3-6 |
| Challenger Glasgow | 2019/09/18 09:00 | Mathias Bourgue v Lukas Klein | 7-5,3-6,7-6 |
| Challenger Glasgow | 2019/09/16 18:00 | Matteo Martineau v Lukas Klein | 6-7,2-6 |
| ITF M15 Bratislava | 2019/09/01 08:00 | Lukas Klein v Kirill Kivattsev | 7-6,6-3 |
| ITF M15 Bratislava | 2019/08/31 08:00 | Lukas Klein v Giovanni Fonio | 6-4,7-5 |
| ITF M15 Bratislava | 2019/08/30 10:00 | Lukas Klein v Jakob Aichhorn | 6-2,6-3 |
| ITF M15 Bratislava | 2019/08/29 09:00 | Lukas Klein v Vitaliy Sachko | 6-7,6-4,7-6 |
| ITF M15 Bratislava | 2019/08/27 10:00 | Lukas Klein v Tomas Vanko | 6-0,6-1 |