Stadium: Court 1 Round: 25 Ground: Clay
| Bad Salzdetfurth, Simples M-ITF-GER-14A | 2019/10/09 10:20 | Krstev, Ondrej v Jakub Paul | 6-3,6-2 |
| ITF M25 Falun | 2021/09/28 12:40 | Jakub Paul v Shintaro Imai | 3-6,0-6 |
| Challenger Biel | 2021/09/21 10:00 | Jakub Paul v Alexander Ritschard | 4-6,4-6 |
| Challenger Biel | 2021/09/20 09:00 | Simon, Tobias v Jakub Paul | 4-6,4-6 |
| Challenger Biel | 2021/09/19 09:30 | Jakub Paul v Heyman, Christopher | 7-6,4-6,7-5 |
| ITF M25 Sierre | 2021/09/02 09:30 | Patrick Kypson v Jakub Paul | 4-6,6-1,6-1 |
| ITF M25 Sierre | 2021/09/01 11:10 | Jakub Paul v Rondoni, Pietro | 7-6,6-3 |
| ITF M25 Caslano | 2021/08/26 08:30 | Gonzalez, Alejandro v Jakub Paul | 6-2,7-5 |
| ITF M25 Caslano | 2021/08/25 08:30 | Jakub Paul v Valentin Vacherot | 6-3,7-6 |
| Trnava, Singles Main, M-ITF-SVK-03A | 2020/02/26 10:20 | Krstev, Ondrej v Aldin Setkic | 6-3,6-7,2-6 |
| ITF - M15 Oberhaching | 2020/02/20 13:15 | Krstev, Ondrej v Elmar Ejupovic | 6-3,2-6,3-6 |
| ITF - M15 Oberhaching | 2020/02/19 12:45 | Martinez, Mirko v Krstev, Ondrej | 6-0,6-7,4-6 |
| ITF - M15 Monastir | 2019/12/05 13:30 | Krstev, Ondrej v Robert, Quentin | 1-6,1-6 |
| ITF - M15 Monastir | 2019/12/03 11:15 | Davydov, Ivan v Krstev, Ondrej | 2-6,6-7 |
| ITF - M15 Monastir | 2019/11/26 08:30 | Davydov, Ivan v Krstev, Ondrej | 6-4,4-6,6-3 |
| Milovice, Singles M-ITF-CZE-10A | 2019/11/13 10:20 | Andrew Paulson v Krstev, Ondrej | 6-7,6-1,6-3 |
| ITF M15 Prague | 2019/11/05 13:55 | Aldin Setkic v Krstev, Ondrej | 7-6,3-6,7-6 |