Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| 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 M25 Champaign | 2021/07/27 14:45 | Peter Bertran v Alexander Bernard | 6-2,2-6,10-8 |
| ITF M25 Champaign | 2021/07/26 15:00 | Peter Bertran v Harry Thursfield | 6-1,6-4 |
| ITF M15 Edwardsville | 2021/07/21 18:40 | Rinky Hijikata v Peter Bertran | 6-3,6-0 |
| ITF M15 Monastir | 2021/08/31 08:00 | Kazuki Nishiwaki v William Griffith | 0-6,2-6 |
| ITF M15 Monastir | 2021/08/25 07:30 | Kazuki Nishiwaki v Kyle Seelig | 1-6,5-7 |
| ITF M15 Monastir | 2021/08/24 07:30 | Kazuki Nishiwaki v Daniel Batista | 6-3,6-4 |
| ITF M15 Monastir | 2021/08/23 08:00 | Kazuki Nishiwaki v Ajay Pruthvi Nemakal | 6-2,6-3 |
| ITF M15 Monastir | 2021/06/20 09:00 | Kazuki Nishiwaki v Raphael Lambling | 3-6,4-6 |
| ITF M15 Monastir | 2021/06/13 08:00 | Kazuki Nishiwaki v Kody Pearson | 4-6,2-6 |
| ITF M15 Monastir | 2021/06/07 09:00 | Kazuki Nishiwaki v Dong Ju Kim | 2-6,3-6 |
| ITF M25 Nonthaburi | 2020/02/02 06:00 | Reese Stalder v Kazuki Nishiwaki | 7-6,7-5 |