Stadium: M.A.R.A - Court Round: 28
| Challenger Eckental | 2018/10/31 17:00 | Evgeny Donskoy v Igor Sijsling | 6-1,6-1 |
| Challenger Eckental | 2018/10/29 10:00 | Alexander Bublik v Igor Sijsling | 3-6,0-6 |
| Challenger Eckental | 2018/10/28 10:00 | Igor Sijsling v Tobias Simon | 3-6,7-6,6-2 |
| Challenger Eckental | 2018/10/27 07:30 | Igor Sijsling v Lukas Klein | 7-6,6-3 |
| Challenger Como | 2018/08/25 12:10 | Igor Sijsling v Facundo Arguello | 5-7,1-6 |
| Challenger Lexington | 2018/07/31 17:55 | Ronnie Schneider v Igor Sijsling | 6-2,6-4 |
| ITF Germany F5 | 2018/06/27 15:25 | Filip Bergevi v Igor Sijsling | 6-1,6-2 |
| ITF Germany F5 | 2018/06/25 09:00 | Igor Sijsling v Jannik Rother | 6-1,6-3 |
| Czechia Extraliga | 2018/12/19 09:00 | Robin Stanek v Norbert Gombos | 7-6,6-4 |
| Czechia Extraliga | 2018/12/17 10:00 | Robin Stanek v Dusan Lojda | 6-1,6-2 |
| Czechia Extraliga | 2018/12/15 09:00 | Marek Jaloviec v Robin Stanek | 4-6,2-6 |
| ITF Czech Republic F12 | 2018/12/01 09:00 | Robin Stanek v Andres Artunedo Martinavarr | 3-6,6-2,5-7 |
| ITF Czech Republic F12 | 2018/11/30 12:15 | Robin Stanek v Jiri Jenicek | 6-0,6-0 |
| ITF Czech Republic F12 | 2018/11/28 09:00 | Marek Gengel v Robin Stanek | 6-1,3-6,6-7 |
| ITF Czech Republic F11 | 2018/11/23 16:00 | Artem Dubrivnyy v Robin Stanek | 6-1,6-4 |
| ITF Czech Republic F11 | 2018/11/22 09:00 | Robin Stanek v Dominik Nazaruk | 6-3,7-5 |