Stadium: Court 5 Round: 62 Ground: Clay
| ITF - M15 Cairo | 2021/08/02 12:30 | Yuichiro Inui v Sergis Kyratzis | 6-1,6-3 |
| ITF - M15 Cairo | 2021/07/25 09:30 | Lautaro Agustin Falabella v Yuichiro Inui | 6-3,6-1 |
| ITF - M15 Cairo | 2021/07/21 10:10 | Felipe Derdoy v Yuichiro Inui | 7-6,6-2 |
| ITF - M15 Cairo | 2021/07/20 08:00 | Yuichiro Inui v Sherif Makhlouf | 4-6,6-3,7-10 |
| ITF - M15 Cairo | 2021/07/19 07:30 | Yuichiro Inui v Mohab Hamed | 6-1,7-5 |
| ITF - M15 Cairo | 2021/05/02 10:00 | Olexiy Kolisnyk v Yuichiro Inui | 6-4,6-3 |
| ITF - M15 Cairo | 2021/04/27 10:25 | Felix Gill v Yuichiro Inui | 7-6,6-1 |
| ITF - M15 Cairo | 2021/04/26 12:30 | Anton Magnusson v Yuichiro Inui | 5-7,3-6 |
| ITF - M15 Cairo | 2021/08/02 09:30 | Nicolas Hollender v Samuele Pieri | 1-6,4-6 |
| ITF - M15 Cairo | 2021/08/01 12:30 | Samuele Pieri v Tomohiro Masabayashi | 6-2,6-0 |
| ITF - M15 Cairo | 2021/07/29 09:50 | Samuele Pieri v Lorenzo Bocchi | 3-6,3-6 |
| ITF - M15 Cairo | 2021/07/28 08:00 | Samuele Pieri v Lorenzo Gagliardo | 6-3,6-3 |
| ITF - M15 Cairo | 2021/07/27 08:00 | Samuele Pieri v Alessandro Ragazzi | 3-6,6-4,10-6 |
| ITF - M15 Cairo | 2021/07/26 08:00 | Constantin Bittoun Kouzmine v Samuele Pieri | 6-7,3-6 |
| ITF - M15 Skopje | 2021/06/07 08:30 | Nicolo Turchetti v Samuele Pieri | 4-6,6-0,10-8 |
| ITF - M15 Skopje | 2021/05/31 12:30 | Petr Michnev v Samuele Pieri | 6-2,6-3 |