Stadium: Court 1 Round: 27 Ground: Clay
| ITF M15 Naples | 2021/10/07 17:15 | Peter Bertran v Thiago Cigarran | 6-4,6-1 |
| ITF M15 Naples | 2021/10/06 17:05 | Peter Bertran v Adolfo Daniel Vallejo | 6-4,6-3 |
| ITF M15 Monastir | 2021/09/22 08:00 | Peter Bertran v Kazuki Nishiwaki | 6-1,1-6,1-6 |
| ITF M15 Monastir | 2021/09/08 14:00 | Peter Bertran v Christian Sigsgaard | 3-6,3-6 |
| ITF M15 Monastir | 2021/09/02 13:30 | Yuki Mochizuki v Peter Bertran | 7-5,6-1 |
| ITF M15 Monastir | 2021/09/01 11:15 | Peter Bertran v Tomohiro Masabayashi | 6-3,6-3 |
| ITF M25 Champaign | 2021/07/29 19:35 | Peter Bertran v Paul Jubb | 7-6,1-6,3-6 |
| ITF M25 Champaign | 2021/07/28 14:55 | Olivier Stuart v Peter Bertran | 2-6,4-6 |
| ITF M15 Naples | 2021/10/07 15:35 | Juncheng Shang v Ryan Harrison | 3-6,2-6 |
| ITF M15 Naples | 2021/10/06 19:25 | Louroi Martinez v Ryan Harrison | 6-7,3-6 |
| Challenger Barletta | 2021/08/23 11:00 | Luca Potenza v Ryan Harrison | 3-6,6-3,2-6 |
| Challenger Barletta | 2021/08/22 12:50 | Ryan Harrison v Alexis Galarneau | 6-4,6-3 |
| ITF M25 Ueberlingen | 2021/08/20 11:30 | Ryan Harrison v Eduard Esteve Lobato | 1-6,4-6 |
| ITF M25 Ueberlingen | 2021/08/19 15:05 | Jose Fco. Vidal Azorin v Ryan Harrison | 2-6,3-6 |
| ITF M25 Ueberlingen | 2021/08/17 15:00 | Mariano Kestelboim v Ryan Harrison | 3-6,6-4,2-6 |
| Challenger Cary | 2021/07/18 15:00 | Liam Draxl v Ryan Harrison | 3-6,7-6,6-7 |