Stadium: Center Court (Hard) Round: 27 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2022/05/12 11:05 | Sekiguchi, Shuichi v Sebastian Dominko | 7-6,6-1 |
| ITF - M15 Héraklion | 2022/05/10 08:30 | Sekiguchi, Shuichi v Matthew Dellavedova | 6-4,6-2 |
| ITF - M15 Sharm El Sheikh | 2022/04/01 08:00 | Boehler, Dominik v Sekiguchi, Shuichi | 4-6,6-4,7-5 |
| ITF - M15 Sharm El Sheikh | 2022/03/31 10:15 | Karlo Cubelic v Sekiguchi, Shuichi | 4-6,6-7 |
| ITF - M15 Sharm El Sheikh | 2022/03/30 10:15 | Simon, Sahar v Sekiguchi, Shuichi | 6-7,1-6 |
| ITF - M25 Quinta Do Lago | 2022/03/25 10:00 | Adria Soriano Barrera v Sekiguchi, Shuichi | 5-7,6-4,10-5 |
| ITF - M25 Loulé | 2022/03/17 13:00 | Hady Habib v Sekiguchi, Shuichi | 6-0,6-4 |
| ITF M25 Decatur | 2021/08/04 18:05 | Perez, Alfredo v Sekiguchi, Shuichi | 6-1,7-6 |
| ITF - M15 Héraklion | 2022/05/12 07:00 | Colin Markes v Kelsey Stevenson | 6-2,6-3 |
| ITF - M15 Héraklion | 2022/05/11 09:35 | Colin Markes v Shinji Hazawa | 6-2,6-2 |
| ITF M15 Chiang Rai | 2022/04/28 05:00 | Colin Markes v Makoto Ochi | 6-7,7-6,3-6 |
| ITF M15 Chiang Rai | 2022/04/27 06:05 | Sidharth Rawat v Colin Markes | 6-7,6-7 |
| ITF M15 Chiang Rai | 2022/04/26 01:55 | Colin Markes v Suksumrarn, Thantub | 6-1,6-4 |
| ITF M15 Chiang Rai | 2022/04/25 02:00 | Colin Markes v Mitchell Harper | 6-2,6-3 |
| ITF M15 Chiang Rai Qual | 2022/04/24 03:40 | Colin Markes v Alec Beckley | 6-3,6-4 |
| ITF M15 Chiang Rai | 2022/04/21 03:25 | Colin Markes v Kravchuk, Konstantin | 2-6,2-6 |