Stadium: Court 10 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2021/10/13 19:05 | Naoki Tajima v Nikolas Moceanu | 6-3,6-2 |
| ITF M15 Cancun | 2021/10/05 15:30 | Naoki Tajima v Jose Pereira | 2-6,2-6 |
| ITF M15 Monastir | 2021/08/25 08:55 | Naoki Tajima v Yuta Kawahashi | 3-6,4-6 |
| ITF M15 Monastir | 2021/08/19 07:30 | Gage Brymer v Naoki Tajima | 6-3,6-3 |
| ITF M15 Monastir | 2021/08/17 08:30 | Naoki Tajima v Preston Connor | 6-1,6-0 |
| 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 M15 Cancun | 2021/10/13 16:10 | Nicholas Bybel v Juan Sebastian Osorio | 6-3,6-3 |
| ITF M15 Cancun | 2021/10/12 14:00 | Nicholas Bybel v Patricio Embry | 6-1,6-1 |
| ITF M15 Cancun | 2021/10/11 14:00 | Nicholas Bybel v Fernando A. Z. Cantillana | 6-2,6-0 |
| ITF M15 Cancun | 2021/09/27 14:30 | Matt Kuhar v Nicholas Bybel | 7-5,6-2 |
| ITF M15 Cancun | 2021/09/26 15:00 | Hans C B Gonzalez v Nicholas Bybel | 3-6,2-6 |
| ITF M15 Cancun | 2021/09/22 14:00 | Nicholas Bybel v Jaimee Floyd Angele | 4-6,6-7 |
| UTR Pro Tennis Series Florida | 2021/09/16 18:00 | Nicholas Bybel v Daniel Mora | 6-2,6-5 |
| UTR Pro Tennis Series Florida | 2021/09/15 13:30 | Nicholas Bybel v Brian Berdusco | 7-6,6-1 |