Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Los Angeles | 2020/01/07 18:00 | Karol Drzewiecki v Isaiah Strode | 6-4,6-3 |
| ITF M25 Los Angeles | 2020/01/06 18:00 | Alec Adamson v Karol Drzewiecki | 1-6,6-7 |
| Challenger Helsinki | 2019/11/11 11:00 | Karol Drzewiecki v Jaroslav Pospisil | 4-6,0-6 |
| ITF M15 Opava | 2019/10/31 10:30 | Mattia Bellucci v Karol Drzewiecki | 3-6,7-6,6-3 |
| ITF M15 Opava | 2019/10/30 15:50 | Karol Drzewiecki v Andrej Glvac | 7-5,6-2 |
| Challenger Glasgow | 2019/09/18 11:15 | Mirza Basic v Karol Drzewiecki | 6-4,6-3 |
| Challenger Glasgow | 2019/09/17 09:00 | Hugo Grenier v Karol Drzewiecki | 3-6,7-5,2-6 |
| Challenger Glasgow | 2019/09/16 09:00 | Karol Drzewiecki v Scott Duncan | 5-7,6-4,3-6 |
| Challenger Montevideo | 2019/11/04 20:10 | Felipe Meligeni Rodrigues Alves v Facundo Diaz Acosta | 1-6,6-1,6-4 |
| Challenger Guayaquil | 2019/10/31 18:35 | Facundo Diaz Acosta v Juan Pablo Varillas | 2-6,3-6 |
| Challenger Guayaquil | 2019/10/30 16:00 | Mauricio Echazu v Facundo Diaz Acosta | 3-6,6-4,5-7 |
| Challenger Guayaquil | 2019/10/28 21:20 | Alejandro Gonzalez v Facundo Diaz Acosta | 6-4,3-6,4-6 |
| ITF M25 Rio de Janeiro | 2019/10/10 21:40 | Rafael Matos v Facundo Diaz Acosta | 6-1,6-3 |
| ITF M15 Santiago | 2019/10/03 18:30 | Alejo Lorenzo Lingua Lavallen v Facundo Diaz Acosta | 6-4,6-4 |
| ITF M15 Santiago | 2019/10/03 17:00 | Alejo Lorenzo Lingua Lavallen v Facundo Diaz Acosta | 6-4,6-4 |
| ITF M15 Santiago | 2019/10/02 16:30 | Michel Vernier v Facundo Diaz Acosta | 6-7,4-6 |