Stadium: Court 3 Round: 25 Ground: Hardcourt indoor
| ITF M25 Kottingbrunn | 2021/07/21 11:40 | Peter Goldsteiner v Zsombor Piros | 4-6,1-6 |
| ITF M25 Kottingbrunn | 2021/07/20 10:40 | Peter Goldsteiner v Francisco Vittar | 6-3,6-1 |
| ITF M25 Kottingbrunn | 2021/07/19 12:25 | Peter Goldsteiner v Martin Zeljenka | 6-4,7-6 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Peter Goldsteiner v Ondrej Valek | 6-2,6-2 |
| ITF M25 Telfs | 2021/07/13 07:30 | Peter Goldsteiner v Philip Bachmaier | 6-0,3-6,4-10 |
| ITF M25 Velenje | 2021/07/09 09:00 | Peter Goldsteiner v Gonzalo Lama | 2-6,4-6 |
| ITF M25 Velenje | 2021/07/08 09:45 | Oscar Jose Gutierrez v Peter Goldsteiner | 6-7,6-3,4-6 |
| ITF M25 Velenje | 2021/07/07 08:00 | Peter Goldsteiner v Gal Emersic Potocnik | 6-1,6-0 |
| ITF M15 Parnu | 2020/11/04 08:00 | Alexander Georg Mandma v Vasil Kirkov | 1-6,0-6 |
| Baltic Tennis League | 2020/06/26 08:30 | Artur Kulibaba v Alexander Georg Mandma | 7-6,6-1 |
| Baltic Tennis League | 2020/06/25 07:00 | Arvis Berzins v Alexander Georg Mandma | 6-7,6-3,6-0 |
| Baltic Tennis League | 2020/06/24 09:00 | Gustavs Lukstins v Alexander Georg Mandma | 6-1,3-6,2-6 |
| Baltic Tennis League | 2020/06/23 12:25 | Karlis Ozolins v Alexander Georg Mandma | 6-1,6-2 |
| ITF Estonia F3 | 2018/11/03 14:00 | Tim Heger v Alexander Georg Mandma | 6-4,6-0 |
| ITF Sweden F4 | 2018/09/22 10:30 | Erik Grevelius v Alexander Georg Mandma | 6-4,6-4 |