| Czech Extraliga U20 Cup | 2019/12/03 15:00 | HC Kometa Brno U20 v Mountfield HK U20 | W | 2-5 |
| Czech Republic Extraliga U20 | 2018/03/28 16:15 | Mountfield HK U20 v HC Kometa Brno U20 | L | 2-5 |
| Czech Republic Extraliga U20 | 2018/02/22 16:00 | Mountfield HK U20 v HC Kometa Brno U20 | W | 7-1 |
| Club Friendlies (Regulation Only) | 2020/07/31 10:00 | Mountfield HK U20 v Pardubice U20 | W | 5-4 |
| Czech Extraliga U20 Cup | 2020/03/07 11:00 | Mountfield HK U20 v Dukla Jihlava U20 | W | 5-0 |
| Czech Extraliga U20 Cup | 2020/02/29 11:00 | Mountfield HK U20 v Bili Tygri Liberec U20 | L | 1-4 |
| Czech Extraliga U20 Cup | 2020/02/27 16:30 | Olomouc U20 v Mountfield HK U20 | W | 0-2 |
| Czech Extraliga U20 Cup | 2020/02/20 17:00 | Dukla Jihlava U20 v Mountfield HK U20 | L | 6-5 |
| Czech Extraliga U20 Cup | 2020/02/15 11:00 | Mountfield HK U20 v HC Ocelari Trinec U20 | W | 1-0 |
| Czech Extraliga U20 Cup | 2020/02/13 15:00 | Bili Tygri Liberec U20 v Mountfield HK U20 | W | 3-4 |
| Czech Extraliga U20 Cup | 2020/02/01 11:00 | Mountfield HK U20 v Olomouc U20 | L | 2-5 |
| Czech Extraliga U20 Cup | 2020/02/29 16:00 | Pardubice U20 v HC Kometa Brno U20 | L | 5-2 |
| Czech Extraliga U20 Cup | 2020/02/20 16:00 | PSG Zlin U20 v HC Kometa Brno U20 | W | 3-9 |
| Czech Extraliga U20 Cup | 2020/02/13 16:00 | HC Vitkovice Steel U20 v HC Kometa Brno U20 | W | 2-5 |
| Czech Extraliga U20 Cup | 2020/01/30 17:15 | Pardubice U20 v HC Kometa Brno U20 | L | 8-4 |
| Czech Extraliga U20 Cup | 2020/01/24 15:30 | HC Kometa Brno U20 v Pirati Chomutov U20 | L | 2-4 |
| Czech Extraliga U20 Cup | 2020/01/21 16:30 | HC Kometa Brno U20 v Bili Tygri Liberec U20 | W | 5-1 |
| Czech Extraliga U20 Cup | 2020/01/18 11:00 | PSG Zlin U20 v HC Kometa Brno U20 | W | 2-6 |
| Czech Extraliga U20 Cup | 2020/01/16 16:30 | Olomouc U20 v HC Kometa Brno U20 | L | 6-3 |