Stadium: Court 1 Round: 29 Ground: Clay
| Prijedor, Doubles M-ITF-BIH-01A | 2019/05/11 12:35 | Sabanov/Sabanov v Sijsling I / van de Zandschulp B | 6-3,1-6,3-10 |
| Prijedor, Doubles M-ITF-BIH-01A | 2019/05/09 13:15 | Sijsling I / van de Zandschulp B v Ilic L / Milenkovic N | 6-4,7-5 |
| Prijedor, Doubles M-ITF-BIH-01A | 2019/05/08 13:30 | Sijsling I / van de Zandschulp B v Merino A / Pena Lopez M | 6-2,7-6 |
| ITF - M15 Sharm El Sheikh - Doubles Hommes | 2019/03/23 09:30 | Dev/Kalyanpur v Sijsling I / van de Zandschulp B | 6-7,6-2,6-10 |
| ITF - M15 Sharm El Sheikh - Doubles Hommes | 2019/03/22 10:40 | Goveas A / Samaha G v Sijsling I / van de Zandschulp B | 6-2,4-6,7-10 |
| ITF - M15 Sharm El Sheikh - Doubles Hommes | 2019/03/21 12:35 | Fortuna C / Maiga R v Sijsling I / van de Zandschulp B | 6-4,2-6,4-10 |
| Kaarst, Doubles M-ITF-GER-02B | 2019/02/09 15:10 | Sijsling I / van de Zandschulp B v Rosenkranz M / Whitehouse M | 6-4,6-4 |
| Kaarst, Doubles M-ITF-GER-02B | 2019/02/08 15:00 | Gengel M / Nouza P v Sijsling I / van de Zandschulp B | 4-6,2-6 |
| Prijedor, Doubles M-ITF-BIH-01A | 2019/05/11 12:15 | Celebic L / Fatic N v Nincevic F / Nincevic L | 3-6,6-4,10-6 |
| Prijedor, Doubles M-ITF-BIH-01A | 2019/05/09 11:40 | Celebic L / Fatic N v Jandric D / Strombachs R | 6-3,2-6,10-6 |
| ITF Bosnia and Herzegovina F2 MD | 2018/05/25 13:20 | Kekez D / Vidak A v Celebic L / Fatic N | 6-2,4-6,7-10 |
| ITF Bosnia and Herzegovina F2 MD | 2018/05/25 11:00 | Kekez D / Vidak A v Celebic L / Fatic N | 6-2,4-6,0-0 |
| ITF Bosnia and Herzegovina F2 MD | 2018/05/24 13:40 | Taylor A / Taylor J v Celebic L / Fatic N | 6-3,3-6,8-10 |
| ITF Bosnia and Herzegovina F2 MD | 2018/05/23 15:30 | Jotovski T / Srbljak G v Celebic L / Fatic N | 0-6,6-7 |
| ITF Bosnia and Herzegovina F2 MD | 2018/05/22 12:00 | Celebic L / Fatic N v Jandric D / Kalenichenko D | 6-4,6-0 |
| ITF Bosnia and Herzegovina F1 MD | 2018/05/18 13:04 | Celebic L / Fatic N v H'mueller/Propoggia | 6-3,4-6,0-1 |