Stadium: Court 2 Round: 26 Ground: Hardcourt indoor
| ITF - M15 Antalya | 2019/04/17 14:15 | Ratniuk, Maxim v Niklas-Salminen, Patrick | 4-6,2-6 |
| Pajulahti, Singles M-ITF-FIN-02A | 2019/09/18 07:30 | Ratniuk, Maxim v Daniil Glinka | 7-6,6-7,6-4 |
| Ust-Kamenogorsk, Singles M-ITF-KAZ-06A | 2019/08/30 07:15 | Bogdan Bobrov v Ratniuk, Maxim | 6-2,6-3 |
| Ust-Kamenogorsk, Singles M-ITF-KAZ-06A | 2019/08/29 08:25 | Noskin, Egor v Ratniuk, Maxim | 4-6,6-4,1-6 |
| Ust-Kamenogorsk, Singles M-ITF-KAZ-06A | 2019/08/28 07:15 | Abzalov, Sharobiddin v Ratniuk, Maxim | 4-6,5-7 |
| Moscow, Singles M-ITF-RUS-04A | 2019/08/20 09:00 | Zhurbin, Alexander v Ratniuk, Maxim | 7-6,1-6,6-3 |
| Moscow, Singles M-ITF-RUS-04A | 2019/08/15 11:30 | Bogdan Bobrov v Ratniuk, Maxim | 6-1,6-2 |
| Moscow, Singles M-ITF-RUS-04A | 2019/08/13 13:00 | Ratniuk, Maxim v Kalovelonis, Markos | 6-1,7-6 |
| ITF M15 Parnu | 2019/07/18 12:25 | Luigi Sorrentino v Ratniuk, Maxim | 6-2,7-6 |
| Pajulahti, Singles M-ITF-FIN-02A | 2019/09/18 11:05 | Schifris, Jeremy v Niklas-Salminen, Patrick | 1-6,4-6 |
| Coupe Davis | 2019/09/13 15:00 | Niklas-Salminen, Patrick v Dominic Thiem | 3-6,4-6 |
| Sao Bras Alportel, Singles Q M-ITF-POR-13A | 2019/09/05 10:35 | Anton Matusevich v Niklas-Salminen, Patrick | 6-4,6-2 |
| Sao Bras Alportel, Singles Q M-ITF-POR-13A | 2019/09/03 14:30 | Guido Ivan Justo v Niklas-Salminen, Patrick | 1-6,3-6 |
| ITF M15 Helsinki | 2019/08/25 09:00 | Juan Manuel Cerundolo v Niklas-Salminen, Patrick | 6-2,6-3 |
| ITF M15 Helsinki | 2019/08/24 10:00 | Vidal Azorin, Jose Fco v Niklas-Salminen, Patrick | 5-7,4-6 |
| ITF M15 Helsinki | 2019/08/23 10:40 | Ivanov, Vladimir v Niklas-Salminen, Patrick | 4-6,7-5,2-6 |
| ITF M15 Helsinki | 2019/08/22 10:00 | Alex M Pujolras v Niklas-Salminen, Patrick | 3-6,2-6 |