| ITF Germany F12 | 08/12 08:00 | 62 | Robert Strombachs v Feda Bilic | 7-6,6-4 | |
| ITF Germany F7 | 07/09 08:00 | 44 | Robert Strombachs v Aziz Kijametovic | 6-3,3-6,1-6 | |
| ITF Germany F6 | 07/04 10:00 | 25 | Robert Strombachs v Christoph Negritu | 2-6,1-6 | |
| ITF Germany F6 | 07/03 08:30 | 44 | Robert Strombachs v Moritz Pfaff | 3-6,6-2,6-1 | |
| ITF Germany F5 | 06/27 10:00 | 25 | Christopher Heyman v Robert Strombachs | 6-0,6-3 | |
| ITF Germany F4 | 06/22 08:00 | 26 | George Von Massow v Robert Strombachs | 6-2,6-3 | |
| ITF Germany F4 | 06/19 09:00 | 25 | Robert Strombachs v Daniil Klimov | 6-3,6-4 | |
| ITF Germany F4 | 06/18 11:00 | 62 | Leon Hoeveler v Robert Strombachs | 1-6,2-6 | |
| ITF Germany F4 | 06/17 12:00 | 62 | Fabian Penzkofer v Robert Strombachs | 2-6,1-6 | |
| ITF Czech Republic F3 Qual | 05/27 09:00 | 44 | Mateusz Terczynski v Robert Strombachs | 6-4,6-0 | |
| ITF Czech Republic F1 | 05/18 09:00 | 27 | Sebastian Fanselow v Robert Strombachs | 6-1,6-3 | |
| ITF Czech Republic F1 | 05/17 12:35 | 26 | Robert Strombachs v Laurent Lokoli | Retired | |
| ITF Czech Republic F1 | 05/15 08:00 | 25 | Alessandro Ricci v Robert Strombachs | 1-6,6-3,4-6 | |
| ITF Czech Republic F1 | 05/14 10:50 | 44 | Robert Strombachs v Antonin Stepanek | 7-6,6-2 | |
| ITF Czech Republic F1 | 05/13 08:00 | 44 | Robert Strombachs v Stepan Pecak | 6-3,6-2 | |
| ITF Poland F2 | 05/08 10:15 | 25 | Martins Podzus v Robert Strombachs | 6-1,6-2 | |
| ITF Poland F2 | 05/07 09:30 | 62 | Tomas Jirousek v Robert Strombachs | 4-6,6-4,5-7 | |
| ITF Poland F2 | 05/05 08:00 | 62 | Robert Strombachs v Patrick Daciek | 6-4,6-3 | |
| ITF Poland F1 | 05/01 13:00 | 25 | Robert Strombachs v Dan Dowson | 3-6,1-6 | |
| ITF Poland F1 | 04/30 07:00 | 62 | Robert Strombachs v Jannik Sinner | 7-5,7-6 | |
| ITF Poland F1 | 04/29 07:00 | 62 | Ivan Yatsuk v Robert Strombachs | 2-6,4-6 | |
| ITF Poland F1 | 04/28 07:00 | 62 | Mikhail Minakov v Robert Strombachs | 0-6,1-6 | |
| ITF Greece F5 | 03/25 08:00 | 62 | Mitchell Thomas McDaniels v Robert Strombachs | 7-5,6-4 | |
| ITF Greece F5 | 03/24 10:00 | 62 | Robert Strombachs v Daniel De Jonge | 6-3,6-4 | |
| ITF Greece F4 | 03/21 08:00 | 25 | Riccardo Balzerani v Robert Strombachs | 6-2,6-2 | |
| ITF Greece F4 | 03/19 08:00 | 62 | Robert Strombachs v Kristjan Tamm | 6-4,6-7,6-0 | |
| ITF Greece F4 | 03/18 09:30 | 62 | Calin Manda v Robert Strombachs | Retired | |
| ITF Greece F4 | 03/17 07:30 | 62 | Yates Johnson v Robert Strombachs | 3-6,1-6 | |
| ITF Greece F3 | 03/12 08:00 | 62 | Tim Van Terheijden v Robert Strombachs | 6-3,6-0 | |
| ITF Greece F3 | 03/11 11:00 | 62 | Robert Strombachs v Franco Feitt | 6-4,6-2 |
Robert Strombachs (Latvian: Roberts Štrombahs; born 15 September 1999) is a Latvian-German tennis player.
Strombachs has a career high ATP singles ranking of world No. 338, achieved on 27 November 2023. He also has a career high ATP doubles ranking of No. 383, achieved on 19 August 2019.
Strombachs represents Latvia at the Davis Cup, where he has a W/L record of 7–6.