Stadium: Court 5 Round: 27 Ground: Hardcourt outdoor
| ITF - Edwardsville M25 | 2023/07/28 00:00 | Yuki Mochizuki v Vito Tonejc | 7-6,4-6,2-6 |
| ITF - Edwardsville M25 | 2023/07/26 23:15 | Vito Tonejc v Axel Nefve | 3-6,7-6,7-5 |
| ITF - Champaign M25 | 2023/07/19 16:50 | Noah Schachter v Vito Tonejc | 2-6,6-2,6-4 |
| ITF - Celje M15 | 2023/06/30 10:25 | Vito Tonejc v Pawel Juszczak | 3-6,1-6 |
| ITF - Celje M15 | 2023/06/29 11:00 | Gal Emersic Potocnik v Vito Tonejc | 6-7,1-6 |
| ITF - Celje M15 | 2023/06/28 11:10 | Matthias Ujvary v Vito Tonejc | 4-6,3-6 |
| ITF - Skopje M25 | 2023/06/10 08:00 | Sascha Gueymard Wayenburg v Vito Tonejc | 7-6,6-1 |
| ITF - Skopje M25 | 2023/06/09 09:50 | Vito Tonejc v Toby Martin | 6-3,6-7,6-4 |
| ITF - Edwardsville M25 | 2023/07/27 13:30 | Shunsuke Mitsui v Jaimee Floyd Angele | 3-6,6-4,6-2 |
| ITF - Edwardsville M25 | 2023/07/25 17:10 | Cash Hanzlik v Shunsuke Mitsui | 7-5,4-6,4-6 |
| ITF - Champaign M25 | 2023/07/20 17:05 | Shunsuke Mitsui v Aidan Mchugh | 6-7,2-6 |
| ITF - Anseong M25 | 2023/06/23 02:00 | Yunseong Chung v Shunsuke Mitsui | 6-1,6-1 |
| ITF - Anseong M25 | 2023/06/22 02:00 | Woobin Shin v Shunsuke Mitsui | 3-6,2-6 |
| ITF - Anseong M25 | 2023/06/20 02:00 | Woohyuk Sim v Shunsuke Mitsui | 0-6,2-6 |
| ITF - Changwon M25 | 2023/06/13 01:00 | Shunsuke Mitsui v Yuki Mochizuki | 4-6,2-6 |
| UTR Pro Tennis Series - Dallas | 2022/12/24 15:00 | Steven Forman v Shunsuke Mitsui | 6-4,4-6,3-6 |