Stadium: Indoor 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Kouvola | 2021/05/25 10:25 | Simonas Zukauskas v Leevi Saatela | 1-6,6-3,11-9 |
| ITF M15 Kouvola | 2021/05/24 08:00 | Juho Kantola v Leevi Saatela | 2-6,6-7 |
| Challenger Helsinki | 2019/11/12 15:00 | Leevi Saatela v Otto Virtanen | 0-6,3-6 |
| ITF M15 Helsinki | 2019/08/20 07:00 | Jonathan Stenberg v Leevi Saatela | 6-0,6-3 |
| ITF M15 Helsinki | 2019/08/19 13:05 | John Hu v Leevi Saatela | 1-6,6-7 |
| ITF Finland F4 | 2018/11/10 08:00 | Leevi Saatela v Philipp Klimov | 4-6,3-6 |
| ITF Estonia F3 | 2018/11/03 08:00 | Leevi Saatela v Ville-Petteri Ahti | 3-6,2-6 |
| ITF Finland F3 | 2018/08/14 09:35 | Lukas Ollert v Leevi Saatela | 6-3,6-1 |
| ITF M15 Sibenik | 2021/05/20 10:45 | Naoki Tajima v Dan Added | 1-6,4-6 |
| ITF M15 Sibenik | 2021/05/19 15:05 | Bozo Barun v Naoki Tajima | 6-7,1-6 |
| ITF M15 Prijedor | 2021/05/11 14:35 | Naoki Tajima v Miljan Zekic | 6-7,4-6 |
| ITF M15 Majadahonda | 2021/05/03 12:00 | Naoki Tajima v Giovanni Mpetshi Perricard | 6-3,2-6,8-10 |
| ITF M15 Majadahonda | 2021/05/02 16:15 | Naoki Tajima v Hugo Pontico | 7-6,6-0 |
| ITF M15 LPD Gran Canaria | 2021/04/27 08:55 | Naoki Tajima v Alex M Pujolras | 1-6,2-6 |
| ITF M15 St Petersburg | 2021/04/17 08:00 | Naoki Tajima v Savriyan Danilov | 4-6,2-6 |
| ITF M15 St Petersburg | 2021/04/15 07:00 | Naoki Tajima v Marat Deviatiarov | 7-6,6-3 |