Stadium: Court 7 Round: 62 Ground: Clay
| ITF M15 Monastir | 2019/11/10 10:00 | Giacomo Dambrosi v Mikel Aranzabal | 6-4,6-4 |
| ITF M15 Monastir | 2019/11/03 10:00 | Ameur Ben Hassen v Mikel Aranzabal | 7-5,6-2 |
| ITF M15 Tabarka | 2019/10/27 09:00 | Lisandru Rodriguez v Mikel Aranzabal | 2-6,6-1,10-8 |
| ITF M25 Seville | 2019/09/10 08:00 | Luca Sanchez v Mikel Aranzabal | 6-3,6-2 |
| ITF M25 Seville | 2019/09/09 08:00 | Mikel Aranzabal v Cameron Henricy Trigolos | 6-1,7-5 |
| ITF M25 Seville | 2019/09/08 09:30 | Jose Juarez Caro v Mikel Aranzabal | 1-6,6-4,6-10 |
| ITF M25 Donostia-San-Sebastian | 2019/08/28 13:10 | Mikel Aranzabal v Carlos Lopez Montagud | 6-2,2-6,1-6 |
| ITF M25 Getxo | 2019/07/08 15:30 | Mikel Aranzabal v Louis Dussin | 3-6,2-6 |
| ITF M25 Geelong | 2020/03/11 04:45 | Thomas Braithwaite v Daisuke Sumizawa | 6-0,6-3 |
| ITF M25 Mildura | 2020/03/05 05:30 | Daisuke Sumizawa v Luke Saville | 2-6,2-6 |
| ITF M25 Nonthaburi | 2020/01/26 10:25 | Daisuke Sumizawa v Soichiro Moritani | 2-6,4-6 |
| ITF M15 Nonthaburi | 2019/11/26 02:30 | Blake Ellis v Daisuke Sumizawa | 6-3,4-6,10-8 |
| ITF M15 Nonthaburi | 2019/11/25 03:50 | Natthasith Kunsuwan v Daisuke Sumizawa | 7-6,6-7,9-11 |
| ITF M15 Nonthaburi | 2019/11/24 09:00 | Noppadol Noikor v Daisuke Sumizawa | 2-6,5-7 |
| Challenger Pune | 2019/11/11 12:30 | Dhruv Sunish v Daisuke Sumizawa | 7-6,6-2 |
| ITF M15 Meshref | 2019/11/06 09:40 | Daisuke Sumizawa v Alec Adamson | 2-6,2-6 |