Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Monastir | 2023/02/19 11:00 | Kazuki Nishiwaki v Nicolas Philibert | 5-7,6-0,11-9 |
| ITF M25 Monastir | 2023/02/15 10:35 | Kazuki Nishiwaki v Amr Asrawy | 5-7,4-6 |
| ITF M25 Monastir | 2023/02/13 14:00 | Bingyu Yu v Kazuki Nishiwaki | 0-6,1-6 |
| ITF M25 Monastir | 2023/02/13 10:00 | Sevan Bottari v Kazuki Nishiwaki | 2-6,2-6 |
| ITF M25 Monastir | 2023/02/12 10:30 | Maxim Krapivin v Kazuki Nishiwaki | 3-6,2-6 |
| ITF M25 Monastir | 2023/02/05 08:30 | Kazuki Nishiwaki v Pietro Marino | 6-7,2-6 |
| UTR Pro Tennis Series Miki | 2022/12/11 00:30 | Kazuki Nishiwaki v Ryotaro Taguchi | 6-3,6-4 |
| UTR Pro Tennis Series Miki | 2022/12/10 03:57 | Koki Matsuda v Kazuki Nishiwaki | 3-6,0-0 |
| ITF M25 Monastir | 2023/02/19 11:00 | Yannik Steinegger v Davide Guerra | 6-2,6-4 |
| ITF M15 Monastir | 2023/02/12 08:30 | Aleksi Lofman v Yannik Steinegger | 7-6,6-4 |
| ITF M15 Bressuire | 2023/01/15 16:40 | Yannik Steinegger v Maxime Dubouch | 3-6,4-6 |
| ITF M15 Bressuire | 2023/01/15 10:40 | Yannik Steinegger v Maxence Rivet | 6-3,6-4 |
| ITF M25 Veigy-Foncenex | 2023/01/12 12:30 | Yannik Steinegger v Matthias Bachinger | 0-6,2-6 |
| ITF M25 Veigy-Foncenex | 2023/01/10 16:00 | Andrea Picchione v Yannik Steinegger | 3-6,7-6,3-6 |
| ITF M25 Veigy-Foncenex | 2023/01/09 08:55 | Yannik Steinegger v Romain Faucon | 6-4,7-6 |
| ITF M25 Veigy-Foncenex | 2023/01/08 10:35 | Seydina Andre v Yannik Steinegger | 6-7,2-6 |