| Position | G |
| Birth city | Prague, undefined, CZE |
| Birth date | 1997-08-20 (29) |
| Height | 6'5'' |
| weight (lb) | 209 |
| Drafted | pick 14 round 3 by BOS in 2015 |
season | L | T. | GP | GA | GAA | W | L | OT | SO | S% | G | A |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020-21 | NHL | Boston Bruins | 5 | 17 | 3.40 | 2 | 2 | 1 | 0 | 0.886 | 0 | 0 |
| 2021-22 | NHL | Calgary Flames | 23 | 57 | 2.75 | 13 | 6 | 2 | 2 | 0.906 | 0 | 1 |
| 2022-23 | NHL | Calgary Flames | 27 | 72 | 2.91 | 14 | 6 | 5 | 0 | 0.895 | 0 | 0 |
| 2023-24 | NHL | Calgary Flames | 20 | 68 | 3.62 | 8 | 9 | 2 | 0 | 0.882 | 0 | 0 |
| 2024-25 | NHL | Calgary Flames | 30 | 83 | 2.80 | 12 | 11 | 6 | 2 | 0.898 | 0 | 1 |
| 2025-26 | NHL | Philadelphia Flyers | 52 | 121 | 2.42 | 29 | 14 | 7 | 0 | 0.906 | 0 | 0 |
| 2026-27 | NHL | Philadelphia Flyers | 4 | 17 | 4.21 | 0 | 3 | 1 | 0 | 0.875 | 0 | 1 |
| NHL Total | 161 | 435 | 2.85 | 78 | 51 | 24 | 4 | 0.898 | 0 | 3 | ||
season | L | T. | GP | GA | GAA | W | L | OT | SO | S% | G | A |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019-20 | NHL | Boston Bruins | 1 | 3 | 6.27 | 0 | 0 | 0.800 | 0 | 0 | ||
| 2021-22 | NHL | Calgary Flames | 1 | 0 | 0.00 | 0 | 0 | 1.000 | 0 | 0 | ||
| 2025-26 | NHL | Philadelphia Flyers | 10 | 23 | 2.18 | 4 | 6 | 0 | 2 | 0.922 | 0 | 0 |
| NHL Total | 12 | 26 | 2.29 | 4 | 6 | 0 | 2 | 0.918 | 0 | 0 | ||