Stadium: Court 4 Round: 44 Ground: Clay
| UTR Pro Tennis Series Zadar | 2021/07/04 08:30 | Jerko Brkic v Karlo Kajin | 6-4,6-4 |
| UTR Pro Tennis Series Zadar | 2021/07/02 12:30 | Constant De La Bassetiere v Jerko Brkic | 7-6,5-2 |
| UTR Pro Tennis Series Zadar | 2021/07/01 09:30 | Warren Sinius v Jerko Brkic | 6-3,6-5 |
| UTR Pro Tennis Series Zadar | 2021/06/30 08:00 | Josip Krstanovic v Jerko Brkic | 6-4,5-3 |
| UTR Pro Tennis Series Zadar | 2021/06/28 12:30 | Frane Nincevic v Jerko Brkic | 6-1,7-5 |
| Challenger Split | 2021/04/04 13:20 | Lukas Klein v Jerko Brkic | 6-1,6-2 |
| ITF M15 Porec | 2020/03/08 08:00 | Jerko Brkic v Gorazd Srbljak | 2-6,6-7 |
| ITF Hungary F5 Qual | 2017/06/18 08:00 | Jerko Brkic v Petr Nouza | 2-6,3-6 |
| ITF M15 Castelo Branco | 2021/07/25 11:00 | Lior Goldenberg v Joao Graca | 2-6,2-6 |
| ITF M15 Heraklion | 2021/06/07 06:30 | Matas Vasiliauskas v Lior Goldenberg | 7-5,6-4 |
| ITF M15 Heraklion | 2021/05/31 06:30 | Federico Arnaboldi v Lior Goldenberg | 6-3,6-1 |
| ITF M15 Heraklion | 2021/05/30 06:30 | Lior Goldenberg v Athanassios Manekas | 6-4,7-5 |
| ITF M15 Heraklion | 2021/05/24 09:30 | Lior Goldenberg v Lorenzo Joaquin Rodriguez | 6-3,4-6,5-10 |
| ITF M15 Heraklion | 2021/05/23 12:00 | Lior Goldenberg v Toby D. Boyer | 4-6,6-3,13-11 |
| ITF M15 Jerusalem | 2021/05/12 07:00 | Zane Khan v Lior Goldenberg | 6-0,6-1 |
| ITF M15 Ramat Hasharon | 2021/05/06 10:30 | Marat Deviatiarov v Lior Goldenberg | 6-3,6-2 |