Stadium: Court 11 Round: 26 Ground: Clay
| ITF M15 - Haren | 2019/08/28 11:15 | Benjamin Dhoe v Kristjan Tamm | 3-6,2-6 |
| ITF M15 - Helsinki | 2019/08/21 10:15 | Kristjan Tamm v Karl Friberg | 3-6,1-6 |
| ITF M15 - Telavi | 2019/08/03 06:00 | Yan Bondarevskiy v Kristjan Tamm | 6-2,6-1 |
| ITF M15 - Telavi | 2019/08/02 06:00 | Kristjan Tamm v George Tsivadze | 6-4,6-3 |
| ITF M15 - Telavi | 2019/08/01 06:00 | Timur Maulenov v Kristjan Tamm | 3-6,4-6 |
| ITF M15 - Telavi | 2019/07/31 06:00 | Kristjan Tamm v Irakli Metreveli | 6-2,6-2 |
| ITF M15 - Telavi | 2019/07/24 07:40 | Kristjan Tamm v Koray Kirci | 3-6,6-7 |
| ITF M15 - Pärnu | 2019/07/17 07:00 | Kristjan Tamm v Luigi Sorrentino | 4-6,6-7 |
| ITF M15 - Haren | 2019/08/28 09:00 | Stefan Seifert v Alejo Vilaro | 6-1,6-3 |
| ITF M25 Chiswick | 2019/08/09 12:35 | Jurij Rodionov v Stefan Seifert | 6-4,6-4 |
| ITF M25 Chiswick | 2019/08/08 09:00 | Maxime Pauwels v Stefan Seifert | 5-7,2-6 |
| ITF M25 Chiswick | 2019/08/07 09:00 | Stefan Seifert v Francesco Vilardo | 6-3,6-1 |
| ITF M25 Chiswick | 2019/08/05 18:00 | Stefan Seifert v Michael Shaw | 6-2,6-7,10-7 |
| ITF M25 Chiswick | 2019/08/05 11:00 | Stefan Seifert v Alexander Jhun | 6-2,6-0 |
| ITF Greece F8 | 2018/11/15 08:00 | Stefan Seifert v Austin Rapp | 0-6,2-6 |
| ITF Greece F8 | 2018/11/13 09:25 | Stefan Seifert v Constantinos Papavasiliou | 6-0,6-1 |