Stadium: Hard Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF - M15 Heraklion | 2021/11/10 11:25 | Dax Donders v Dong Ju Kim | 2-6,6-4,3-6 |
| ITF - M15 Heraklion | 2021/11/15 08:00 | Ioannis Papounidis v Dong Ju Kim | 2-6,3-6 |
| ITF - M15 Heraklion | 2021/11/14 09:30 | Dong Ju Kim v Scott Lawrence | 6-0,6-0 |
| ITF - M15 Heraklion | 2021/11/11 08:45 | Francesco Maestrelli v Dong Ju Kim | 6-7,6-4,7-5 |
| ITF - M15 Heraklion | 2021/11/10 11:25 | Dax Donders v Dong Ju Kim | 2-6,6-4,3-6 |
| ITF - M15 Heraklion | 2021/11/09 07:00 | Leon Hoeveler v Dong Ju Kim | 1-6,5-7 |
| ITF - M15 Heraklion | 2021/11/08 11:00 | Jonathan Backman v Dong Ju Kim | 4-6,4-6 |
| ITF - M15 Heraklion | 2021/11/07 11:00 | Gianluca Coloma-Heck v Dong Ju Kim | 2-6,1-6 |
| ITF - M15 Monastir | 2021/06/20 12:00 | Timur Kiyamov v Dong Ju Kim | 7-6,6-3 |
| ITF - M15 Heraklion | 2021/11/14 07:00 | Michel-Alexandre Fortin v Dax Donders | 3-6,2-6 |
| ITF - M15 Heraklion | 2021/11/10 11:25 | Dax Donders v Dong Ju Kim | 2-6,6-4,3-6 |
| ITF - M15 Heraklion | 2021/11/09 07:00 | Dax Donders v Charles Tzicas | 6-1,6-0 |
| ITF - M15 Heraklion | 2021/11/08 09:00 | Dax Donders v Mike Loccisano | 6-2,6-1 |
| ITF - M15 Heraklion | 2021/11/07 11:00 | Dax Donders v Axel Bergdahl | 6-0,6-2 |
| ITF M25 - Eupen | 2021/09/07 07:30 | Dax Donders v Rayane Oumaouche | 4-6,3-6 |
| ITF M25 - Eupen | 2021/09/06 13:05 | Dax Donders v Andre Megrabian | 6-4,6-3 |
| ITF M25 - Eupen | 2021/09/05 10:30 | Dax Donders v Stephan Iserath | 6-2,6-2 |