| ITF M15 Monastir | 11/19 07:55 | 28 | Robert Strombachs v Andrea Picchione | 7-6,6-3 | |
| ITF M15 Monastir | 11/18 08:30 | 27 | Aziz Kijametovic v Robert Strombachs | 2-6,4-6 | |
| ITF M15 Monastir | 11/17 08:00 | 26 | Aziz Ouakaa v Robert Strombachs | 5-7,6-3,0-6 | |
| ITF M15 Monastir | 11/15 11:00 | 25 | Xiaofei Wang v Robert Strombachs | 0-6,3-6 | |
| ITF M15 Selva Gardena | 11/04 13:15 | 28 | Robert Strombachs v Sandro Kopp | 5-7,6-1,4-6 | |
| ITF M15 Selva Gardena | 11/03 09:55 | 27 | Mick Veldheer v Robert Strombachs | 1-6,1-6 | |
| ITF M15 Selva Gardena | 11/02 10:55 | 26 | Federico Lucini v Robert Strombachs | 3-6,2-6 | |
| ITF M15 Selva Gardena | 11/01 17:00 | 25 | Nicolo Pozzani v Robert Strombachs | 4-6,6-7 | |
| ITF M15 Parnu | 10/27 09:30 | 26 | Eero Vasa v Robert Strombachs | 6-4,2-6,7-6 | |
| ITF M15 Parnu | 10/26 09:20 | 25 | Michal Mikula v Robert Strombachs | 2-6,3-6 | |
| Challenger Vilnius | 10/16 14:20 | 14 | Terence Atmane v Robert Strombachs | 6-4,4-6,6-4 | |
| ITF M15 Sozopol | 10/13 09:50 | 26 | Cengiz Aksu v Robert Strombachs | 6-2,6-3 | |
| ITF M15 Sozopol | 10/11 09:30 | 25 | Jasza Szajrych v Robert Strombachs | 0-6,1-6 | |
| ITF M15 Sozopol | 10/07 07:00 | 27 | Robert Strombachs v Jasza Szajrych | 6-0,4-6,3-6 | |
| ITF M15 Sozopol | 10/06 06:45 | 26 | Robert Strombachs v Gabriel Donev | 7-5,6-2 | |
| ITF M15 Sozopol | 10/04 06:55 | 25 | Robert Strombachs v Samuil Konov | 6-0,6-1 | |
| Davis Cup | 09/17 12:30 | 4 | Robert Strombachs v Nick Hardt | Cancelled | |
| Davis Cup | 09/16 14:00 | 1 | Robert Strombachs v Peter Bertran | 6-3,6-1 | |
| Challenger Mallorca | 08/29 08:00 | 14 | Alexandar Lazarov v Robert Strombachs | 6-3,6-4 | |
| ITF M25 Roehampton | 08/26 10:00 | 27 | Giles Hussey v Robert Strombachs | 3-6,7-6,6-2 | |
| ITF M25 Roehampton | 08/25 10:50 | 26 | Robert Strombachs v Elliot Benchetrit | 6-4,7-5 | |
| ITF M25 Roehampton | 08/24 09:00 | 25 | Adam Jones v Robert Strombachs | 2-6,0-6 | |
| ITF M25 Aldershot | 08/19 09:00 | 27 | Robert Strombachs v Filip Peliwo | 6-7,4-6 | |
| ITF M25 Aldershot | 08/18 09:00 | 26 | Robert Strombachs v Adam Jones | 6-4,6-4 | |
| ITF M25 Aldershot | 08/16 09:00 | 25 | Robert Strombachs v Giles Hussey | 6-3,6-4 | |
| ITF M15 Monastir | 08/06 09:00 | 26 | Alessandro Pecci v Robert Strombachs | Cancelled | |
| ITF M15 Monastir | 08/05 07:55 | 27 | Constantin B Kouzmine v Robert Strombachs | 7-6,7-5 | |
| ITF M15 Monastir | 08/04 09:50 | 26 | Arthur Neuhaus v Robert Strombachs | 2-6,1-6 | |
| ITF M15 Monastir | 08/02 08:00 | 25 | Ignasi D R D Genover v Robert Strombachs | 0-6,4-6 | |
| ITF M15 Monastir | 07/30 08:00 | 28 | Tao Mu v Robert Strombachs | 6-2,4-6,7-5 |
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.