| Club Friendlies (Regulation Only) | 2021/08/05 16:45 | Pirati Chomutov U20 v Kladno U20 | L | 3-4 |
| Czech Extraliga U20 Cup | 2020/01/04 11:00 | Kladno U20 v Pirati Chomutov U20 | W | 2-3 |
| Czech Extraliga U20 Cup | 2019/10/19 10:30 | Pirati Chomutov U20 v Kladno U20 | L | 2-8 |
| Czech Extra U20 (Regulation Only) | 2019/01/26 11:00 | Kladno U20 v Pirati Chomutov U20 | L | 4-1 |
| Czech Extra U20 (Regulation Only) | 2018/11/23 15:00 | Kladno U20 v Pirati Chomutov U20 | L | 5-4 |
| Czech Extra U20 (Regulation Only) | 2018/10/05 14:00 | Kladno U20 v Pirati Chomutov U20 | W | 2-3 |
| Czechia Extraliga U20 | 2017/09/29 14:00 | Kladno U20 v Pirati Chomutov U20 | L | 4-3 |
| Czechia Extraliga U20 | 2016/11/11 13:46 | Pirati Chomutov U20 v Kladno U20 | L | 3-4 |
| Czechia Extraliga U20 | 2021/10/01 15:00 | HC Vitkovice Steel U20 v Pirati Chomutov U20 | L | 10-5 |
| Czechia Extraliga U20 | 2021/09/28 10:00 | Pirati Chomutov U20 v Litvinov U20 | L | 3-5 |
| Czechia Extraliga U20 | 2021/09/10 16:30 | Pirati Chomutov U20 v Sparta Praha U20 | L | 1-10 |
| Club Friendlies (Regulation Only) | 2021/08/17 13:45 | Pirati Chomutov U20 v Litvinov U20 | W | 3-2 |
| Club Friendlies (Regulation Only) | 2021/08/05 16:45 | Pirati Chomutov U20 v Kladno U20 | L | 3-4 |
| Club Friendlies (Regulation Only) | 2021/08/03 11:00 | Litvinov U20 v Pirati Chomutov U20 | L | 7-4 |
| Club Friendlies (Regulation Only) | 2021/06/24 16:15 | Pirati Chomutov U20 v Chemnitz Crashers U20 | W | 9-2 |
| Czechia Extraliga U20 | 2020/09/28 10:00 | Pirati Chomutov U20 v Slavia Praha U20 | L | 2-4 |
| Czechia Extraliga U20 | 2021/10/01 13:00 | Bili Tygri Liberec U20 v Kladno U20 | L | 10-3 |
| Czechia Extraliga U20 | 2021/09/28 16:00 | Sparta Praha U20 v Kladno U20 | L | 10-0 |
| Czechia Extraliga U20 | 2021/09/25 10:00 | Slavia Praha U20 v Kladno U20 | W | 0-2 |
| Czechia Extraliga U20 | 2021/09/24 16:00 | Dukla Jihlava U20 v Kladno U20 | L | 5-1 |
| Czechia Extraliga U20 | 2021/09/17 14:00 | Kladno U20 v HC Kometa Brno U20 | L | 1-5 |
| Club Friendlies (Regulation Only) | 2021/08/26 15:45 | Sparta Praha U20 v Kladno U20 | D | 4-4 |
| Club Friendlies (Regulation Only) | 2021/08/24 11:00 | Kladno U20 v Slavia Praha U20 | L | 2-3 |
| Club Friendlies (Regulation Only) | 2021/08/12 13:30 | Slavia Praha U20 v Kladno U20 | W | 2-4 |