Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/05/18 11:00 | Santiago Rodriguez Taverna v Gustavo Heide | 6-7,6-0,5-7 |
| ITF - M15 Monastir | 2021/05/11 08:25 | Dougaz, Aziz v Gustavo Heide | 6-1,6-2 |
| ITF - M15 Monastir | 2021/05/07 08:30 | Luca Potenza v Gustavo Heide | 7-6,6-3 |
| ITF - M15 Monastir | 2021/05/06 10:45 | Gustavo Heide v Benjamin Lock | 6-1,7-5 |
| ITF - M15 Monastir | 2021/05/05 11:05 | Gustavo Heide v Omni Kumar | 6-4,6-2 |
| ITF M15 Sabadell | 2019/10/02 11:30 | Nikolas Sanchez Izquierdo v Gustavo Heide | 6-4,6-2 |
| ITF M15 Sabadell | 2019/10/01 08:00 | Barranco, Sergio v Gustavo Heide | 6-1,4-6,11-13 |
| ITF M15 Sabadell | 2019/09/30 09:00 | Lima-Perez, Jeremias v Gustavo Heide | 0-6,5-7 |
| ITF - M15 Monastir | 2021/05/19 08:30 | Berk Ilkel v Tomas Farjat | 7-5,7-6 |
| ITF - M15 Monastir | 2021/05/10 09:00 | Berk Ilkel v Tomas Farjat | 4-6,4-6 |
| ITF - M15 Monastir | 2021/05/09 11:00 | Berk Ilkel v Alessandro Pecci | 7-6,1-6,12-10 |
| ITF - M15 Monastir | 2021/04/20 08:00 | Guy Orly Iradukunda v Berk Ilkel | 6-4,6-2 |
| ITF - M15 Monastir | 2021/04/19 12:00 | Berk Ilkel v de Maio, Mauro | 5-7,4-6 |
| ITF - M15 Monastir | 2021/04/11 10:00 | Berk Ilkel v Savva Polukhin | 3-6,3-6 |
| ITF - M15 Antalya | 2021/03/07 07:00 | Radu Mihai Papoe v Berk Ilkel | 4-6,6-1,10-4 |
| ITF - M15 Antalya | 2021/02/28 07:00 | Stefan Palosi v Berk Ilkel | 6-2,7-6 |