| ITF Thailand F9 | 11/12 04:30 | 25 | Natthasith Kunsuwan v Robert Strombachs | 2-6,0-6 | |
| ITF Thailand F8 | 11/04 02:00 | 44 | Robert Strombachs v Sebastian Prechtel | 3-6,3-6 | |
| ITF Vietnam F5 | 11/02 03:00 | 27 | Robert Strombachs v Nam Hoang Ly | 4-6,2-6 | |
| ITF Vietnam F5 | 11/01 03:00 | 26 | Robert Strombachs v Samuel Shropshire | 6-7,6-1,6-1 | |
| ITF Vietnam F5 | 10/30 03:00 | 25 | Robert Strombachs v Nitin Kumar Sinha | 6-1,6-4 | |
| ITF Vietnam F4 | 10/25 04:30 | 26 | Robert Strombachs v Yu Hsiou Hsu | 6-4,0-6,5-7 | |
| ITF Vietnam F4 | 10/24 02:30 | 25 | Aryan Goveas v Robert Strombachs | 6-3,5-7,1-6 | |
| ITF Vietnam F4 | 10/22 05:10 | 44 | Robert Strombachs v Jackson Varney | 7-6,6-1 | |
| ITF Vietnam F4 | 10/21 03:00 | 44 | Robert Strombachs v Shamirul S M A Das | 6-2,6-1 | |
| ITF Tunisia F35 | 10/14 10:30 | 29 | Alexey Zakharov v Robert Strombachs | 4-6,0-6 | |
| ITF Tunisia F35 | 10/13 09:30 | 28 | Antoine Bellier v Robert Strombachs | 2-6,6-3,5-7 | |
| ITF Tunisia F35 | 10/12 08:00 | 27 | Samm Butler v Robert Strombachs | 4-6,6-2,6-7 | |
| ITF Tunisia F35 | 10/11 10:05 | 26 | Robert Strombachs v Quentin Robert | 6-2,6-4 | |
| ITF Tunisia F35 | 10/10 09:00 | 25 | Nicolas Uryson v Robert Strombachs | 0-6,6-3,1-6 | |
| ITF Tunisia F34 | 10/06 09:00 | 28 | Baptiste Crepatte v Robert Strombachs | 6-3,6-0 | |
| ITF Tunisia F34 | 10/05 09:00 | 27 | Michael Geerts v Robert Strombachs | 3-6,6-7 | |
| ITF Tunisia F34 | 10/04 09:30 | 26 | Robert Strombachs v Alexey Zakharov | 6-4,6-4 | |
| ITF Tunisia F34 | 10/03 08:30 | 25 | Robert Strombachs v Pierre Delage | 7-6,4-6,7-5 | |
| ITF Tunisia F33 | 09/30 09:00 | 29 | Robert Strombachs v Dimitriy Voronin | 6-4,7-6 | |
| ITF Tunisia F33 | 09/29 10:10 | 28 | Errol Smith v Robert Strombachs | 3-6,2-6 | |
| ITF Tunisia F33 | 09/28 09:00 | 27 | Patrik Hartmeier v Robert Strombachs | 2-6,6-7 | |
| ITF Tunisia F33 | 09/27 08:30 | 26 | Robert Strombachs v Vasko Mladenov | 6-4,6-7,6-2 | |
| ITF Tunisia F33 | 09/25 10:30 | 25 | Robert Strombachs v Petr Arkhipov | 6-2,6-1 | |
| ITF Poland F8 | 08/21 09:40 | 25 | Robin Stanek v Robert Strombachs | 6-2,6-2 | |
| ITF Poland F8 | 08/20 09:30 | 62 | Robert Strombachs v Piotr Grynkowski | 1-6,1-6 | |
| ITF Poland F8 | 08/19 11:00 | 62 | Robert Strombachs v Noe Sytkow | 6-0,6-1 | |
| ITF Germany F12 | 08/15 13:35 | 25 | Robert Strombachs v Johannes Bangratz | 2-6,5-7 | |
| ITF Germany F12 | 08/13 10:00 | 62 | Robert Strombachs v Tim Handel | 6-1,7-5 | |
| ITF Germany F12 | 08/12 13:00 | 62 | Robert Strombachs v Jochen Bertsch | 6-3,7-5 | |
| ITF Germany F12 | 08/12 08:00 | 62 | Robert Strombachs v Feda Bilic | 7-6,6-4 |
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.