Stadium: Court 4 Round: 64 Ground: Clay
| Davis Cup | 2020/03/07 18:10 | Gerardo L Villasenor v Harri Heliovaara | 6-0,7-6 |
| Challenger Calgary | 2020/02/25 17:00 | Shintaro Imai v Harri Heliovaara | 6-0,6-2 |
| Challenger Calgary | 2020/02/24 16:00 | Felix Corwin v Harri Heliovaara | 7-6,6-2 |
| Challenger Launceston | 2020/02/03 23:00 | Harri Heliovaara v Michail Pervolarakis | 3-6,3-6 |
| Challenger Burnie | 2020/01/26 23:00 | Takuto Niki v Harri Heliovaara | 6-4,1-6,7-6 |
| Challenger Helsinki | 2019/11/15 14:00 | Harri Heliovaara v Ilya Ivashka | 6-3,1-6,2-6 |
| Challenger Helsinki | 2019/11/14 11:00 | Hugo Grenier v Harri Heliovaara | 1-6,3-6 |
| Challenger Helsinki | 2019/11/13 11:00 | Harri Heliovaara v Hiroki Moriya | 4-6,7-6,6-3 |
| ITF M15 Villena | 2020/11/21 08:50 | Marco Trungelliti v Nikolas Sanchez Izquierdo | 6-1,6-1 |
| ITF M15 Villena | 2020/11/20 09:00 | Nikolas Sanchez Izquierdo v Mathieu Perchicot | 6-4,7-5 |
| ITF M15 Villena | 2020/11/19 11:10 | Nikolas Sanchez Izquierdo v Ivan Gakhov | 6-3,7-6 |
| ITF M15 Villena | 2020/11/18 12:05 | Nikolas Sanchez Izquierdo v Nicolas Moreno De Alboran | 6-2,7-6 |
| ITF M15 Valldoreix | 2020/11/14 09:50 | Nikolas Sanchez Izquierdo v Javier Barranco Cosano | 6-4,0-6,3-6 |
| ITF M15 Valldoreix | 2020/11/13 08:55 | Pedro Cachin v Nikolas Sanchez Izquierdo | 4-6,3-6 |
| ITF M15 Valldoreix | 2020/11/12 08:55 | Nicolas Moreno De Alboran v Nikolas Sanchez Izquierdo | 4-6,2-6 |
| ITF M15 Valldoreix | 2020/11/10 14:55 | Pedro Vives Marcos v Nikolas Sanchez Izquierdo | 2-6,2-6 |