stadio: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/08/12 14:50 | Sho Shimabukuro v Naoki Tajima | 6-1,7-6 |
| ITF M15 Monastir | 2021/08/11 19:05 | Seif Adas v Naoki Tajima | 2-6,3-6 |
| ITF M15 Castelo Branco | 2021/07/27 12:10 | Naoki Tajima v Martin Breysach | 6-3,2-6,2-6 |
| ITF M25 Idanha-A-Nova | 2021/07/20 10:45 | Anton Matusevich v Naoki Tajima | 6-3,7-5 |
| ITF M25 Idanha-A-Nova | 2021/07/15 09:30 | Daniel Rodrigues v Naoki Tajima | 6-3,7-5 |
| ITF M25 Idanha-A-Nova | 2021/07/14 09:25 | Fabio Coelho v Naoki Tajima | 6-4,4-6,2-6 |
| ITF M15 Almada | 2021/07/07 10:30 | Naoki Tajima v Martim L Prata | 3-6,2-6 |
| ITF M15 Kouvola | 2021/05/30 08:00 | Anton Matusevich v Naoki Tajima | 6-1,4-6,6-0 |
| ITF M15 Monastir | 2021/08/08 07:30 | Babji Siva Atturu v Preston Connor | 7-6,1-6,10-3 |
| ITF M15 Monastir | 2021/08/02 08:30 | Siddhant Banthia v Preston Connor | 6-0,6-0 |
| ITF M15 Skopje | 2021/06/06 12:00 | Stefano Battaglino v Preston Connor | 6-1,6-1 |
| ITF M15 Skopje | 2021/05/30 12:30 | Luka Pavlovic v Preston Connor | 6-0,6-1 |
| ITF M25 Kiseljak | 2021/05/23 07:00 | Preston Connor v Petar Jovic | 4-6,2-6 |
| ITF M15 Brcko | 2021/05/16 08:15 | Preston Connor v Dusan Rajic | 3-6,0-6 |
| ITF M15 Prijedor | 2021/05/09 09:30 | Preston Connor v Tomislav Jotovski | 0-6,1-6 |
| ITF M15 Sharm El Sheikh | 2021/04/07 07:30 | Paul Jubb v Preston Connor | 6-0,6-0 |