Stadium: Jan Group Arena Round: 5
| ITF M25 Muttenz | 2021/08/20 11:00 | Jerome Kym v Oscar Jose Gutierrez | 4-6,6-2,6-3 |
| ITF M25 Muttenz | 2021/08/19 11:25 | Harold Mayot v Jerome Kym | 3-6,6-4,3-6 |
| ITF M25 Muttenz | 2021/08/18 11:45 | Antoine Bellier v Jerome Kym | 4-6,7-6,1-6 |
| ITF M25 Klosters | 2021/06/23 10:10 | Dominic Stephan Stricker v Jerome Kym | 6-2,6-3 |
| ITF M25 Biel | 2021/04/01 08:00 | Jerome Kym v Arthur Cazaux | 6-7,3-6 |
| ITF M25 Biel | 2021/03/31 10:00 | Evgeny Tyurnev v Jerome Kym | 6-4,6-7,4-6 |
| Challenger Lugano | 2021/03/23 13:10 | Roman Safiullin v Jerome Kym | 6-4,6-2 |
| ITF M25 Trimbach | 2021/03/11 09:00 | Jerome Kym v Matteo Martineau | 6-3,3-6,2-6 |
| ITF M15 Parnu | 2021/08/05 07:00 | Vladimir Ivanov v Siim Troost | 4-6,7-6,6-3 |
| ITF M15 Parnu | 2021/08/04 13:30 | Siim Troost v Eero Vasa | 6-3,6-1 |
| ITF M15 Antalya | 2021/06/21 10:05 | Siim Troost v Mert Naci Turker | 1-6,1-6 |
| ITF M15 Antalya | 2021/06/20 07:00 | Siim Troost v Suleyman Deniz Gursoy | 6-0,6-2 |
| ITF M15 Helsinki | 2021/05/31 08:30 | Niila Tapio Magga v Siim Troost | 4-6,6-2,12-10 |
| ITF M15 Parnu | 2020/11/03 08:00 | Daniil Glinka v Siim Troost | 6-3,6-4 |
| Baltic Tennis League | 2020/06/19 12:10 | Siim Troost v Robin Erik Parts | 6-7,1-6 |
| Baltic Tennis League | 2020/06/17 07:00 | Siim Troost v Arvis Berzins | 7-6,6-4 |