Stadium: Court 1 Round: 27 Ground: Clay
| ITF Czech Republic F9 | 2016/10/29 09:45 | Marek Jaloviec v Mertl, Jan | 4-6,3-6 |
| ITF Czech Republic F5 | 2014/11/01 11:55 | Mertl, Jan v Marek Jaloviec | 6-2,6-2 |
| ITF Czech Republic F6 | 2018/07/11 10:45 | Marek Jaloviec v Hajek, Petr | 6-1,6-2 |
| ITF Czech Republic F6 | 2018/07/09 08:00 | Marek Jaloviec v Krcma, Tomas | 6-0,6-2 |
| ITF Czech Republic F5 | 2018/07/06 08:30 | Marek Jaloviec v David Poljak | 4-6,4-6 |
| ITF Czech Republic F5 | 2018/07/05 10:40 | Marek Jaloviec v Alexander Vasilenko | 7-6,6-4 |
| ITF Czech Republic F5 | 2018/07/04 09:30 | Marek Jaloviec v Konecny, Michal | 6-3,6-3 |
| ITF Czech Republic F5 | 2018/07/02 14:30 | Marek Jaloviec v Krcma, Tomas | 6-1,6-0 |
| ATP Eastbourne Qual | 2018/06/23 14:40 | Jay Clarke v Marek Jaloviec | 6-4,7-5 |
| Challenger Poprad Tatry | 2018/06/19 08:00 | Haider-Maurer, Andreas v Marek Jaloviec | 6-3,6-4 |
| ITF Czech Republic F6 | 2018/07/11 12:00 | Semjan, Marek v Mertl, Jan | 6-3,5-7,4-6 |
| ITF Czech Republic F6 | 2018/07/09 10:30 | Alex Molcan v Mertl, Jan | 2-6,4-6 |
| ITF Czech Republic F5 | 2018/07/05 08:30 | Patrik Rikl v Mertl, Jan | 7-6,6-4 |
| ITF Czech Republic F5 | 2018/07/04 09:35 | Mertl, Jan v Pavel Kotov | 7-6,6-3 |
| ITF Czech Republic F5 | 2018/07/03 09:30 | Stepanek, Antonin v Mertl, Jan | 6-3,1-6,2-6 |
| ITF Czech Republic F4 | 2018/06/28 13:00 | Torebko, Peter v Mertl, Jan | 7-6,6-4 |
| ITF Czech Republic F4 | 2018/06/27 09:10 | Konecny, Michal v Mertl, Jan | 4-6,7-5,2-6 |
| ITF Czech Republic F4 | 2018/06/26 08:00 | Mertl, Jan v Oscar Jose Gutierrez | 7-6,6-3 |