Stadium: Center Court Round: 26 Ground: Hardcourt outdoor
| ITF M25 Monastir | 2023/09/12 09:40 | Vasiliauskas, Matas v Dudun, Igor | 6-4,3-6,2-6 |
| ITF M25 Monastir | 2023/09/06 10:55 | Nicolas Philibert v Dudun, Igor | 6-3,6-4 |
| ITF - M15 Monastir | 2023/08/28 08:00 | Dudun, Igor v Aaron Gil Garcia | 4-6,5-7 |
| ITF M25 Osijek | 2023/08/07 12:20 | Dudun, Igor v Noa Vukadin | 2-6,2-6 |
| ITF M25 Osijek | 2023/08/06 10:00 | Dudun, Igor v Csongor Hejjas | 6-4,6-2 |
| ITF M25 Telfs | 2023/07/16 13:00 | Dudun, Igor v Jan Jermar | 6-4,3-6,6-10 |
| ITF M15 Store | 2023/06/20 08:00 | Corey Gaal v Dudun, Igor | 6-2,6-4 |
| ITF M15 Litija | 2023/06/13 07:00 | Nikola Basic v Dudun, Igor | 6-1,6-4 |
| ITF M25 Monastir | 2023/09/13 11:25 | Saveliy Ivanov v Ugo Blanchet | 1-6,4-6 |
| Challenger Cassis | 2023/09/05 09:55 | Laurent Lokoli v Ugo Blanchet | 7-6,7-5 |
| Challenger Mallorca | 2023/08/28 10:05 | Ugo Blanchet v Mark Whitehouse | 6-7,3-6 |
| Challenger Banja Luka | 2023/08/08 12:30 | Kodat, Toby Alex v Ugo Blanchet | 6-4,6-3 |
| Challenger Liberec | 2023/08/06 08:30 | Ugo Blanchet v Francisco Comesana | 3-6,0-6 |
| Challenger Liberec | 2023/08/04 12:05 | Ugo Blanchet v Dalibor Svrcina | 6-0,6-3 |
| Challenger Liberec | 2023/08/03 10:30 | Vit Kopriva v Ugo Blanchet | 6-3,4-6,2-6 |
| Challenger Liberec | 2023/07/31 12:30 | Ugo Blanchet v Hynek Barton | 6-1,6-3 |