Ground: Hardcourt outdoor
| ATP Washington | 2022/07/30 14:00 | Michael Mmoh v Raymond Sarmiento | 6-4,6-2 |
| ITF M15 East Lansing | 2021/11/21 16:50 | Raymond Sarmiento v Gabriel Diallo | 4-6,6-3,6-4 |
| ITF M15 East Lansing | 2021/11/20 19:55 | Raymond Sarmiento v Alexander Brown | 6-1,5-7,6-4 |
| ITF M15 East Lansing | 2021/11/19 20:00 | Raymond Sarmiento v Sebastian Gima | 6-2,6-4 |
| ITF M15 East Lansing | 2021/11/18 18:00 | Raymond Sarmiento v Shunsuke Mitsui | 4-6,6-2,7-6 |
| ITF M15 East Lansing | 2021/11/16 18:00 | Raymond Sarmiento v Yasha Zemel | 6-3,6-4 |
| ITF M25 Calabasas | 2021/10/27 17:00 | Raymond Sarmiento v Connor Farren | 6-7,6-7 |
| UTR Pro Tennis Series California | 2021/08/29 18:00 | Tristan Boyer v Raymond Sarmiento | 6-3,6-4 |
| ITF M15 Limassol | 2023/11/29 11:15 | Kevin Edengren v Constantinos Koshis | 6-3,6-2 |
| ITF M15 Limassol | 2023/11/22 10:15 | Menelaos Efstathiou v Constantinos Koshis | 6-3,6-3 |
| ITF M25 Netanya | 2023/06/26 09:20 | Constantinos Koshis v Emile Hudd | 6-7,6-7 |
| ITF M25 Netanya | 2023/06/25 08:00 | Constantinos Koshis v Tom Sorin | 7-5,6-1 |
| ITF M25 Netanya | 2023/06/19 12:00 | Constantinos Koshis v Fons Van Sambeek | 0-6,3-6 |
| ITF M15 Ithaca | 2022/11/02 14:00 | Constantinos Koshis v Mwendwa Mbithi | 3-6,2-6 |
| ITF M15 Norman | 2022/10/26 17:00 | Alex Martinez v Constantinos Koshis | 6-2,6-1 |
| ITF M15 Albuquerque | 2022/09/27 16:00 | Osgar O'Hoisin v Constantinos Koshis | 6-2,6-1 |