Stadium: Carpet 6 Round: 25 Ground: Clay
| ITF M15 Antalya | 2021/05/06 07:00 | Alexander Erler v Cheong-Eui Kim | 6-4,3-6,6-3 |
| ITF M15 Antalya | 2021/05/05 10:10 | Mathys Erhard v Cheong-Eui Kim | 4-6,6-2,4-6 |
| ITF M15 Antalya | 2021/05/04 07:00 | Dragos Nicolae Madaras v Cheong-Eui Kim | 6-4,4-6,8-10 |
| ITF M15 Antalya | 2021/05/03 07:00 | Valentin Vanta v Cheong-Eui Kim | 7-5,4-6,4-10 |
| ITF M15 Antalya | 2021/05/02 06:00 | Zura Tkemaladze v Cheong-Eui Kim | 7-6,5-7,12-14 |
| ITF M15 Antalya | 2021/04/25 07:00 | Francesco Maestrelli v Cheong-Eui Kim | 6-2,7-6 |
| ITF M15 Antalya | 2021/04/19 07:00 | Daniel Siniakov v Cheong-Eui Kim | 6-4,3-6,11-9 |
| ITF M15 Antalya | 2021/04/16 10:00 | Cheong-Eui Kim v Nicolae Frunza | 0-6,2-6 |
| Challenger Napoli | 2021/10/05 14:10 | Marco Miceli v Andrej Martin | 6-4,3-6,4-6 |
| Challenger Napoli | 2021/10/04 08:00 | Marco Miceli v Francesco Maestrelli | 7-6,7-5 |
| ITF M15 Cairo | 2021/09/23 08:00 | Gabriele Maria Noce v Marco Miceli | 2-6,6-4,7-5 |
| ITF M15 Cairo | 2021/09/22 08:00 | Marco Miceli v Lukas Krainer | 6-1,6-2 |
| ITF M15 Cairo | 2021/09/16 10:45 | Marco Miceli v Dominik Boehler | 6-7,3-6 |
| ITF M15 Cairo | 2021/09/15 08:00 | Marco Miceli v Alex Barrena | 6-1,6-4 |
| ITF M15 Bad Waltersdorf | 2021/08/31 10:20 | Stefano Battaglino v Marco Miceli | 6-2,6-2 |
| ITF M15 Bad Waltersdorf | 2021/08/25 07:00 | Marco Miceli v Eric Vanshelboim | 3-6,2-6 |