Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Parnu | 2019/07/18 07:00 | Vladimir Ivanov v Karl Kiur Saar | 6-1,6-0 |
| ITF M25 Kazan | 2019/03/12 10:10 | Maxim Ratniuk v Karl Kiur Saar | 6-1,6-3 |
| ITF M25 Kazan | 2019/03/11 10:45 | Dmitry Myagkov v Karl Kiur Saar | 2-6,3-6 |
| ITF M15 Oslo | 2019/03/04 09:00 | Karl Kiur Saar v Marcus Mansson | 6-7,6-4,9-11 |
| ITF Finland F4 | 2018/11/13 11:00 | Karl Kiur Saar v Louis Wessels | 3-6,6-7 |
| ITF Finland F4 | 2018/11/11 10:30 | Karl Kiur Saar v Johannes Seeman | 6-4,6-2 |
| ITF Finland F4 | 2018/11/10 11:35 | Karl Kiur Saar v Jason Sormunen | 6-2,6-4 |
| ITF Estonia F3 | 2018/11/07 10:25 | Karl Kiur Saar v Joshua Paris | 3-6,7-6,4-6 |
| ITF M15 Ystad | 2019/08/09 11:55 | Marius Ruzgas v Patrik Niklas-Salminen | 3-6,6-2,1-6 |
| ITF M15 Ystad | 2019/08/08 14:50 | Karl Friberg v Marius Ruzgas | 5-7,4-6 |
| ITF M15 Ystad | 2019/08/07 12:10 | Marius Ruzgas v Conor Berg | 6-3,2-6,6-0 |
| ITF M15 Tabarka | 2019/08/01 08:00 | Hugo Pontico v Marius Ruzgas | 6-3,2-6,6-4 |
| ITF M15 Tabarka | 2019/07/31 08:00 | Boris Butulija v Marius Ruzgas | 2-6,1-6 |
| ITF M15 Tabarka | 2019/07/29 13:00 | Marius Ruzgas v Gianmarco Ferrari | 6-4,6-2 |
| ITF M15 Tabarka | 2019/07/29 07:30 | Marius Ruzgas v Vladislav Ivanov | 6-1,7-6 |
| ITF M15 Tabarka | 2019/07/25 10:30 | Marius Ruzgas v Stuart Parker | 3-6,5-7 |