Stadium: Court 2 Round: 28 Ground: Clay
| ITF M15 Sarajevo MD | 2021/06/03 13:35 | Madarasz/Velcz v Martin/Wojcik | 6-0,6-4 |
| ITF M15 Sarajevo MD | 2021/06/01 13:25 | Petrovic/Randjelovic v Madarasz/Velcz | 1-6,5-7 |
| ITF - M15 Brcko - Doubles Hommes | 2021/05/23 11:40 | Klier Junior/Joao Lucas Reis da Silva v Vanshelboim/Virtanen | 6-2,0-6,11-9 |
| ITF - M15 Brcko - Doubles Hommes | 2021/05/22 10:40 | Klier Junior/Joao Lucas Reis da Silva v Biljesko/Heger | 6-7,7-5,10-3 |
| ITF - M15 Brcko - Doubles Hommes | 2021/05/21 16:25 | Klier Junior/Joao Lucas Reis da Silva v Connor/Jovic | 6-2,6-1 |
| ITF M15 Cancun MD | 2020/02/14 18:00 | Lingua Lavallen A L / Ribeiro Marcondes I v Klier Junior/Joao Lucas Reis da Silva | 7-5,7-6 |
| ITF M15 Cancun MD | 2020/02/13 21:45 | Klier Junior/Joao Lucas Reis da Silva v Ribeiro E / Yamacita F | 6-4,6-3 |
| ITF M15 Cancun MD | 2020/02/07 18:00 | Klier Junior/Joao Lucas Reis da Silva v Blancaneaux G / Petit G | 1-6,2-6 |
| ITF M15 Cancun MD | 2020/02/06 18:55 | Comesana F / Lipovsek Puches T v Klier Junior/Joao Lucas Reis da Silva | 7-5,1-6,8-10 |
| ITF M15 Cancun MD | 2020/02/05 19:25 | Klier Junior/Joao Lucas Reis da Silva v Carou I / Estevez M | 3-6,6-4,10-6 |