Stadium: Court 8 Round: 62 Ground: Clay
| UTR Pro Beograd | 2024/04/13 07:00 | Dinko Dinev v Christopher Bulus | 6-2,6-3 |
| UTR Pro Beograd | 2024/04/11 11:30 | Christopher Bulus v Sasa Markovic | 4-6,6-4,3-6 |
| UTR Pro Beograd | 2024/04/10 08:30 | Christopher Bulus v Dusan Obradovic | 3-6,6-4,7-5 |
| UTR Pro Beograd | 2024/04/09 12:36 | Christopher Bulus v Domagoj Biljesko | 2-6,5-7 |
| UTR Pro Beograd | 2024/04/08 13:00 | Christopher Bulus v Andrej Nedic | 1-6,1-5 |
| Challenger Kigali | 2024/03/03 10:30 | Stefan Kozlov v Christopher Bulus | 6-2,7-5 |
| Challenger Kigali | 2024/02/26 08:00 | Noah Schachter v Christopher Bulus | 7-6,6-4 |
| ITF M25 Ithaca | 2024/01/18 19:10 | Alexander Bernard v Christopher Bulus | 6-3,7-5 |
| ITF M25 Badalona | 2024/03/18 12:30 | Kane Bonsach Ganley v Stefan Cizelj-Zivkovic | 6-1,6-1 |
| ITF M15 Villena | 2024/02/25 13:00 | Stefan Cizelj-Zivkovic v Albert Pedrico Kravtsov | 1-6,2-6 |
| ITF M15 Villena | 2024/02/18 12:00 | Stefan Cizelj-Zivkovic v Jack Loge | 1-6,2-6 |
| ITF M25 Madrid | 2023/12/03 10:30 | Eero Vasa v Stefan Cizelj-Zivkovic | 6-3,6-3 |
| ITF M25 Madrid | 2023/11/28 09:00 | Stijn Slump v Stefan Cizelj-Zivkovic | 6-4,6-2 |
| ITF M25 Madrid | 2023/11/27 10:00 | Stefan Cizelj-Zivkovic v Ivan Lopez Martos | 6-3,1-6,10-7 |
| ITF M15 Valencia | 2023/11/12 10:00 | Stefan Cizelj-Zivkovic v Noah Perfetti | 3-6,1-6 |
| ITF M25 Benicarlo | 2023/11/05 08:30 | Stefan Cizelj-Zivkovic v Nicolas Rafael Goldberg Alviani | 1-6,1-6 |