| ITF M15 Oslo | 01/09 14:00 | - | Robert Strombachs v Tom Paris | 2-6,2-5 | |
| ITF M15 Oslo | 01/08 11:30 | - | Robert Strombachs v Benjamin Hannestad | 5-4 | |
| ITF M15 Oslo | 01/07 16:30 | - | [401] Robert Strombachs v Lukas H Lilleengen [500] | 6-3,5-7,6-3 | |
| ITF M15 Ceuta | 12/15 09:30 | 29 | [428] Robert Strombachs v Mathias Bourgue [483] | 6-2,6-3 | |
| ITF M15 Ceuta | 12/14 12:40 | 28 | [428] Robert Strombachs v Tiago Pereira [209] | 6-1,6-4 | |
| ITF M15 Ceuta | 12/13 15:00 | 27 | Robert Strombachs v Steven Diez | 7-6,6-2 | |
| ITF M15 Ceuta | 12/12 14:00 | 26 | Robert Strombachs v Louis Tessa | 6-3,6-1 | |
| ITF M15 Ceuta | 12/10 12:55 | 25 | Robert Strombachs v Charles Chen | 6-3,6-1 | |
| ITF M15 Luanda | 12/01 10:00 | 29 | Robert Strombachs v Dominik Palan | 6-3,6-2 | |
| ITF M15 Luanda | 11/30 10:00 | 28 | [463] Robert Strombachs v Kai Wehnelt [255] | 6-3,6-3 | |
| ITF M15 Luanda | 11/29 11:00 | 27 | Robert Strombachs v Chirag Duhan | 6-2,6-2 | |
| ITF M15 Luanda | 11/28 10:00 | 26 | Robert Strombachs v Lorenzo Lorusso | 6-4,6-0 | |
| ITF M15 Luanda | 11/27 10:00 | 25 | Robert Strombachs v Mukil Ramanan | 6-0,6-1 | |
| ITF M15 Luanda | 11/24 10:00 | 29 | Robert Strombachs v Oliver Clark Anderson | 4-6,6-3,6-7 | |
| ITF M15 Luanda | 11/23 09:55 | 28 | Robert Strombachs v Alan Bojarski | 6-1,6-2 | |
| ITF M15 Luanda | 11/22 11:00 | 27 | Robert Strombachs v Matteo Covato | 6-0,6-1 | |
| ITF M15 Luanda | 11/21 10:55 | 26 | Robert Strombachs v Yash Yadav | 6-0,6-0 | |
| ITF M15 Luanda | 11/20 09:00 | 25 | Robert Strombachs v Leo Matthysen | 6-3,6-4 | |
| ITF M25 Sharm El Sheikh | 10/26 07:00 | 28 | [410] Robert Strombachs v Petr Bar Biryukov [499] | 6-7,6-1,4-6 | |
| ITF M25 Sharm El Sheikh | 10/25 07:00 | 27 | [410] Robert Strombachs v Ilia Simakin [417] | 6-4,6-4 | |
| ITF M25 Sharm El Sheikh | 10/24 07:00 | 26 | [410] Robert Strombachs v Mark Whitehouse [377] | 7-5,4-6,7-5 | |
| ITF M25 Sharm El Sheikh | 10/23 08:30 | 25 | Robert Strombachs v Amr Elsayed | 6-2,6-7,7-5 | |
| ITF M25 Sharm El Sheikh | 10/19 07:00 | 28 | [409] Ilia Simakin v Robert Strombachs [424] | 7-5,2-6,6-3 | |
| ITF M25 Sharm El Sheikh | 10/18 09:15 | 27 | Robert Strombachs v Amr Elsayed | 6-2,6-4 | |
| ITF M25 Sharm El Sheikh | 10/17 08:30 | 26 | Robert Strombachs v Mwendwa Mbithi | 6-0,6-3 | |
| ITF M25 Sharm El Sheikh | 10/16 07:00 | 25 | Robert Strombachs v Daniil Ryzhankou | 6-0,6-0 | |
| ITF M15 Sharm El Sheikh | 10/13 07:00 | 29 | [424] Marek Gengel v Robert Strombachs [431] | 6-4,7-6 | |
| ITF M15 Sharm El Sheikh | 10/12 07:00 | 28 | [431] Robert Strombachs v Maximus Jones [410] | 7-6,7-6 | |
| ITF M15 Sharm El Sheikh | 10/12 07:00 | 26 | Radovan Michalik v Robert Strombachs | Cancelled | |
| ITF M15 Sharm El Sheikh | 10/11 07:00 | 27 | Alexandr Binda v Robert Strombachs | 6-7,1-6 |
Robert Strombachs (Latvian: Roberts Štrombahs; born 15 September 1999) is a Latvian-German tennis player. He has a career high ATP singles ranking of world No. 338, achieved on 27 November 2023. He also has a career high doubles ranking of No. 383, achieved on 19 August 2019. He is currently the No. 1 Latvian player.
Strombachs represents Latvia at the Davis Cup, where he has a W/L record of 7–6.