Stadium: Court 6 Round: 29 Ground: Clay
| Challenger Tampere | 2019/07/23 08:30 | Tallon Griekspoor v Aslan Karatsev | 3-6,6-4,6-3 |
| UTR Pro Tennis Series Florida | 2020/07/18 13:35 | Adam El Mihdawy v Aslan Karatsev | 2-6,2-6 |
| UTR Pro Tennis Series Florida | 2020/07/15 12:00 | Aslan Karatsev v Ryan Shane | 6-2,6-3 |
| UTR Pro Tennis Series Florida | 2020/07/14 12:00 | Alejandro Gomez v Aslan Karatsev | 6-2,0-6,9-11 |
| UTR Pro Tennis Series Florida | 2020/07/13 12:00 | Cleeve Harper v Aslan Karatsev | 4-6,4-6 |
| UTR Pro Tennis Series Florida | 2020/07/12 13:50 | Aslan Karatsev v Alejandro Gomez | 7-5,6-2 |
| UTR Pro Tennis Series Florida | 2020/07/11 14:45 | Dmitry Popko v Aslan Karatsev | 2-6,3-6 |
| UTR Pro Tennis Series Florida | 2020/07/10 12:00 | Aslan Karatsev v Alejandro Tabilo | 1-6,2-6 |
| Challenger Nur-Sultan | 2020/03/11 08:30 | Aslan Karatsev v Robin Haase | 7-6,6-1 |
| Challenger Nur-Sultan | 2020/03/12 07:20 | Mohamed Safwat v Tallon Griekspoor | 1-6,6-7 |
| Challenger Nur-Sultan | 2020/03/11 07:45 | Nino Serdarusic v Tallon Griekspoor | 3-6,6-7 |
| Davis Cup | 2020/03/06 10:45 | Alexander Bublik v Tallon Griekspoor | 7-6,7-6 |
| Challenger Koblenz | 2020/02/20 10:30 | Tallon Griekspoor v Daniel Masur | 7-5,3-6,1-6 |
| Challenger Koblenz | 2020/02/19 09:00 | Tallon Griekspoor v Lucas Gerch | 6-4,2-6,7-6 |
| ATP Rotterdam | 2020/02/11 20:55 | Filip Krajinovic v Tallon Griekspoor | 6-4,6-1 |
| Australian Open | 2020/01/21 09:05 | Taylor Fritz v Tallon Griekspoor | 6-3,6-3,6-3 |
| Australian Open | 2020/01/18 03:05 | Tallon Griekspoor v Lorenzo Musetti | 6-4,7-6 |