Stadium: Comite 2 Round: 25 Ground: Hardcourt indoor
| ITF M15 Gaiba | 2021/06/09 08:30 | Robert Strombachs v Giorgio Ricca | 2-6,1-6 |
| ITF M15 Monastir | 2021/06/04 09:40 | Robert Strombachs v Yanki Erel | 4-6,6-3,4-6 |
| ITF M15 Monastir | 2021/06/03 08:30 | Robert Strombachs v Youcef Rihane | 6-4,7-5 |
| ITF M15 Monastir | 2021/06/01 12:35 | Robert Strombachs v Gustavo Heide | 6-0,6-4 |
| ITF M15 Monastir | 2021/05/19 11:20 | Khumoyun Sultanov v Robert Strombachs | 6-4,6-3 |
| ITF M15 Monastir | 2021/05/10 12:30 | Robert Strombachs v Uisung Park | 3-6,6-7 |
| ITF M15 Monastir | 2021/05/10 08:00 | Robert Strombachs v Romain Faucon | 7-5,6-3 |
| ITF M15 Monastir | 2021/05/09 08:00 | Robert Strombachs v Lucio Carnevalle | 6-4,6-0 |
| ITF M15 Marbella | 2021/05/26 11:30 | Mats Rosenkranz v John Echeverria | 7-5,7-6 |
| ITF M15 Marbella | 2021/05/25 07:30 | John Echeverria v Pol Amoros Ramos | 6-4,7-5 |
| ITF M15 Marbella | 2021/05/24 09:00 | John Echeverria v Osgar O'Hoisin | 6-7,6-3,16-14 |
| ITF M15 Marbella | 2021/05/23 09:30 | John Echeverria v Andre Rodeia | 6-1,6-2 |
| ITF M15 Majadahonda | 2021/05/02 14:45 | Emilien Voisin v John Echeverria | 1-6,6-1,11-9 |
| Challenger Gran Canaria Qual | 2021/02/28 13:00 | Sandro Ehrat v John Echeverria | 6-0,7-6 |
| ITF M25 Villena | 2021/02/02 08:25 | Imanol L Morillo v John Echeverria | 6-4,7-6 |
| ITF M25 Villena | 2021/02/01 09:30 | Pablo Alemany v John Echeverria | 6-7,1-6 |