| ITF M15 Monastir | 07/29 08:30 | 27 | Kris Van Wyk v Robert Strombachs | 2-6,1-6 | |
| ITF M15 Monastir | 07/28 10:05 | 26 | Petar Teodorovic v Robert Strombachs | 1-6,2-6 | |
| ITF M15 Monastir | 07/26 10:20 | 25 | Rafael Giotis v Robert Strombachs | 5-7,1-6 | |
| ITF M15 Monastir | 07/22 08:00 | 27 | Abedallah Shelbayh v Robert Strombachs | 6-3,7-5 | |
| ITF M15 Monastir | 07/21 08:00 | 26 | Michael Francis Eala v Robert Strombachs | 5-7,1-6 | |
| ITF M15 Monastir | 07/19 09:00 | 25 | Ken Cavrak v Robert Strombachs | 3-6,6-7 | |
| ITF M15 Monastir | 07/15 08:30 | 27 | Robert Strombachs v Daniel Rincon | 2-6,2-6 | |
| ITF M15 Monastir | 07/14 09:30 | 26 | Robert Strombachs v Omar Brigida | 6-4,6-2 | |
| ITF M15 Monastir | 07/13 15:00 | 25 | Robert Strombachs v Chase Ferguson | 7-6,3-6,7-6 | |
| ITF M15 Raanana | 06/24 07:00 | 27 | Robert Strombachs v Ben Patael | 2-6,2-6 | |
| ITF M15 Raanana | 06/23 06:55 | 26 | Robert Strombachs v Eyal Shyovitz | 6-3,6-0 | |
| ITF M15 Raanana | 06/22 11:10 | 25 | Robert Strombachs v Rohan Mehra | 7-5,7-6 | |
| ITF M15 Raanana | 06/19 13:00 | 29 | Edan Leshem v Robert Strombachs | 6-7,4-6 | |
| ITF M15 Raanana | 06/18 07:00 | 28 | Sahar Simon v Robert Strombachs | 7-6,1-6,1-6 | |
| ITF M15 Raanana | 06/17 07:00 | 27 | Robert Strombachs v Ben Patael | 3-6,6-2,7-5 | |
| ITF M15 Raanana | 06/16 10:05 | 26 | Robert Strombachs v Karlis Ozolins | 6-3,7-6 | |
| ITF M15 Raanana | 06/15 12:10 | 25 | Robert Strombachs v Brandon Murphy | 6-2,3-6,6-2 | |
| Challenger Nottingham | 06/05 14:00 | 14 | Robert Strombachs v Antoine Bellier | 6-7,6-7 | |
| ITF M15 Vaasa | 06/03 09:15 | 27 | Aleksi Lofman v Robert Strombachs | 6-1,6-4 | |
| ITF M15 Vaasa | 06/02 06:30 | 26 | Andrea Gola v Robert Strombachs | 2-6,4-6 | |
| ITF M15 Vaasa | 06/01 10:35 | 25 | Elmer Moller v Robert Strombachs | 6-7,5-7 | |
| ITF M15 Antalya | 05/27 10:35 | 27 | Thomas Deschamps v Robert Strombachs | 7-5,6-2 | |
| ITF M15 Antalya | 05/26 09:15 | 26 | Sarp Agabigun v Robert Strombachs | 6-7,4-6 | |
| ITF M15 Antalya | 05/24 11:05 | 25 | Igor Kudriashov v Robert Strombachs | 7-6,2-6,3-6 | |
| ITF M15 Antalya | 04/28 07:30 | 26 | Illya Beloborodko v Robert Strombachs | 6-3,1-6,7-6 | |
| ITF M15 Antalya | 04/27 07:30 | 25 | Robert Strombachs v Kai Wehnelt | 7-6,4-6,6-3 | |
| ITF M15 Antalya | 04/26 07:00 | 62 | Robert Strombachs v Maxim Zhukov | 7-6,6-1 | |
| ITF M15 Antalya | 04/25 06:55 | 62 | Robert Strombachs v Nikolay Vylegzhanin | 6-4,4-6,10-8 | |
| ITF M15 Antalya | 04/24 07:00 | 62 | Robert Strombachs v Gokberk Saritas | 6-2,6-2 | |
| ITF M15 Antalya | 04/22 09:05 | 27 | Robert Strombachs v Oleg Prihodko | 3-6,2-6 |
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.