Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Ceuta | 2023/12/13 18:10 | Alvaro Bueno Gil v Ivan Marrero Curbelo | 7-6,0-6,3-6 |
| ITF M15 Madrid | 2023/12/06 12:55 | Ivan Marrero Curbelo v Georgii Kravchenko | 2-6,2-6 |
| ITF M25 Madrid | 2023/12/05 09:30 | Ivan Marrero Curbelo v Javier Molino | 6-3,6-2 |
| ITF M25 Madrid | 2023/12/04 09:30 | Ivan Marrero Curbelo v Roberto Chacon Huertas | 6-3,6-1 |
| ITF M25 Madrid | 2023/12/03 09:00 | Ivan Marrero Curbelo v Paul Ender | 6-0,6-3 |
| ITF M15 East Lansing | 2023/11/15 14:50 | Ivan Marrero Curbelo v Ozan Baris | 6-2,4-6,2-6 |
| ITF M15 East Lansing | 2023/11/13 17:00 | Ivan Marrero Curbelo v Neel Rajesh | 7-5,4-6,10-7 |
| ITF M15 Winston-Salem | 2023/11/08 20:30 | Pedro Rodenas v Ivan Marrero Curbelo | 7-5,6-2 |
| ITF M15 Ceuta | 2023/12/13 17:05 | Stijn Slump v Mario G Fernandez | 2-6,6-4,3-6 |
| ITF M15 Madrid | 2023/12/06 08:45 | Diego A B Sanchez v Mario G Fernandez | 6-3,4-6,6-1 |
| Challenger Maspalomas | 2023/11/26 10:00 | Mario G Fernandez v Jonas Forejtek | 6-2,0-6,5-7 |
| ITF M15 Alcala De Henares | 2023/11/22 11:55 | Michiel de Krom v Mario G Fernandez | 7-6,6-4 |
| ITF M25 Vale Do Lobo | 2023/11/15 13:45 | Mario G Fernandez v Francisco Rocha | 6-7,6-7 |
| ITF M25 Heraklion | 2023/11/01 09:35 | Mario G Fernandez v Francesco Forti | 6-7,6-7 |
| ITF M15 Heraklion | 2023/10/26 07:25 | Mario G Fernandez v Matthew William Donald | 5-7,3-6 |
| ITF M15 Heraklion | 2023/10/25 08:55 | Mario G Fernandez v Guy Den Heijer | 6-1,6-3 |