Stadium: Court 3 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2020/10/18 10:30 | Perry Gregg v Taiyo Yamanaka | 6-2,7-5 |
| ITF M15 Setubal | 2020/10/05 12:00 | Andrea Basso v Taiyo Yamanaka | 6-4,4-6,10-3 |
| ITF M15 Setubal | 2020/10/04 10:00 | Taiyo Yamanaka v Illia Stoliar | 7-6,7-6 |
| ITF M25 Porto | 2020/09/28 10:30 | Taiyo Yamanaka v Giovanni Fonio | 4-6,7-6,8-10 |
| ITF M25 Porto | 2020/09/27 10:00 | Taiyo Yamanaka v Hugo Maia | 6-2,7-5 |
| ITF M15 Melilla | 2020/09/21 10:30 | Taiyo Yamanaka v Gianmarco Ferrari | 1-6,6-2,8-10 |
| ITF M15 Antalya | 2020/02/19 12:10 | Calin Manda v Taiyo Yamanaka | 6-4,4-6,7-5 |
| ITF M15 Antalya | 2020/02/18 07:00 | Luca Prevosto v Taiyo Yamanaka | 6-2,4-6,10-4 |
| ITF M15 Monastir | 2020/10/19 08:30 | Mirko Martinez v Piotr Galus | 6-2,6-4 |
| ITF M15 Monastir | 2020/10/18 11:00 | Piotr Galus v Juan Ignacio Alcalde | 7-5,6-4 |
| ITF M25 Poznan | 2020/08/23 09:30 | Zdenek Derkas v Piotr Galus | 6-4,6-4 |
| Polish National Tour | 2020/08/21 09:00 | Aleksander Orlikowski v Piotr Galus | 6-4,6-7,6-1 |
| Polish National Tour | 2020/08/16 14:00 | Piotr Galus v Jan Zielinski | 3-6,3-6 |
| Polish National Tour | 2020/06/21 08:00 | Piotr Galus v Filip Kolasinski | 6-3,4-6,1-6 |
| Polish National Tour | 2020/06/17 07:00 | Karol Drzewiecki v Piotr Galus | 6-1,7-5 |
| ITF M15 Sharm El Sheikh | 2020/02/26 10:00 | Piotr Galus v Soichiro Moritani | 4-6,5-7 |