Stadium: Court 21 Round: 62 Ground: Clay
| ITF - M15 Antalya | 2021/04/05 07:00 | Kim, Cheong-Eui v Dominique Graf | 6-3,7-6 |
| ITF - M15 Antalya | 2021/04/04 06:30 | Kim, Cheong-Eui v Onder Balci | 6-0,6-1 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/02/06 02:30 | Benjamin Bonzi v Kim, Cheong-Eui | 7-6,6-1 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/02/05 05:55 | Stalder, Reese v Kim, Cheong-Eui | 6-4,2-6,3-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/02/04 02:30 | Kim, Cheong-Eui v Na, Jung-Woong | 7-5,1-6,7-10 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/02/03 04:15 | Kim, Cheong-Eui v Natthasith Kunsuwan | 7-6,6-2 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/02/02 09:00 | Kim, Cheong-Eui v Sincharoenwattana, Nutdanai | 6-4,6-1 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/01/27 02:30 | Wattanakul, Pol v Kim, Cheong-Eui | 6-3,6-4 |
| ITF - M15 Antalya | 2021/04/05 07:00 | Vito Dell'Elba v Hellfritsch, Lucas | 3-6,2-6 |
| ITF - M15 Antalya | 2021/04/04 10:00 | Janos Fekete v Hellfritsch, Lucas | 5-7,5-7 |
| ITF - M15 Sharm El Sheikh | 2021/02/14 16:00 | Lui Maxted v Hellfritsch, Lucas | 7-5,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/02/07 06:30 | Hellfritsch, Lucas v Mate Valkusz | 3-6,5-7 |
| ITF - M15 Sharm El Sheikh | 2021/01/31 07:00 | Hellfritsch, Lucas v Constantinos Koshis | 2-6,5-7 |
| German Championship | 2020/12/07 15:00 | Hellfritsch, Lucas v Jakob Schnaitter | 4-6,5-6 |
| ITF - M15 Monastir | 2020/10/18 13:00 | Hellfritsch, Lucas v Gabriel Roveri Sidney | 6-7,3-6 |
| ITF - M15 Monastir | 2020/10/14 07:55 | Hellfritsch, Lucas v Guido Ivan Justo | 2-6,3-6 |