Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Vigo | 2019/08/17 08:30 | Arthur Reymond v Oscar Jose Gutierrez | 1-6,4-6 |
| ITF M25 Uriage | 2021/07/14 12:00 | Otto Virtanen v Arthur Reymond | 2-6,6-3,7-6 |
| ITF M25 Montauban | 2021/06/24 11:00 | Franco Agamenone v Arthur Reymond | 7-5,7-5 |
| ITF M25 Montauban | 2021/06/23 08:30 | Nazim Makhlouf v Arthur Reymond | 3-6,1-6 |
| Challenger Aix en Provence | 2021/06/13 11:20 | Arthur Reymond v Michael Geerts | 2-6,3-6 |
| ITF M15 Gaiba | 2021/06/11 11:10 | Mats Rosenkranz v Arthur Reymond | 7-6,6-3 |
| ITF M15 Gaiba | 2021/06/10 12:20 | Arthur Reymond v Giovanni Fonio | 3-6,6-3,6-0 |
| ITF M15 Gaiba | 2021/06/09 09:00 | Arthur Reymond v Mattia Bellucci | 6-1,7-6 |
| ITF M15 Marbella | 2021/05/25 11:25 | Roman Andres Burruchaga v Arthur Reymond | 1-6,6-3,6-1 |
| Challenger Tampere | 2021/07/19 09:00 | Geoffrey Blancaneaux v Oscar Jose Gutierrez | 6-4,6-2 |
| Challenger Tampere | 2021/07/18 08:00 | Roni Rikkonen v Oscar Jose Gutierrez | 2-6,5-7 |
| ATP Bastad | 2021/07/11 09:00 | Arthur Rinderknech v Oscar Jose Gutierrez | 6-4,7-5 |
| ITF M25 Velenje | 2021/07/08 09:45 | Oscar Jose Gutierrez v Peter Goldsteiner | 6-7,6-3,4-6 |
| ITF M25 Velenje | 2021/07/07 08:00 | Oscar Jose Gutierrez v Constantin Bittoun Kouzmine | 4-6,6-3,6-4 |
| ITF M25 Wroclaw | 2021/07/03 09:00 | Orlando Luz v Oscar Jose Gutierrez | 6-2,6-4 |
| ITF M25 Wroclaw | 2021/07/02 09:00 | Vladyslav Orlov v Oscar Jose Gutierrez | 1-6,1-6 |
| ITF M25 Wroclaw | 2021/07/01 09:00 | Tomas Jirousek v Oscar Jose Gutierrez | 3-6,2-6 |