Drafted 75 overall (2015 Round 3, Pick 14) by the Boston Bruins. View all Boston Bruins draft picks →
Regular-season wins in each season played.
Regular-season save % by season (highest-volume team per season).
| Regular Season | Playoffs | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | Lge | GP | W | L | OTL | GA | GAA | SV% | SO | GP | W | L | OTL | GA | GAA | SV% | SO |
| 2010-11 | HC Sparta Praha U16 | CZECH-U16 | 1 | — | — | — | — | 9.00 | 0.400 | — | — | — | — | — | — | — | — | — |
| 2012-13 | Kladno U18 | CZR-U18 | 36 | — | — | — | 107 | 3.02 | — | 1 | 3 | — | — | — | 10 | 3.35 | — | 0 |
| 2012-13 | Kladno Jr. | CZREP-JR | 1 | — | — | — | 3 | 3.00 | — | 0 | — | — | — | — | — | — | — | — |
| 2013-14 | Kladno U18 | CZR-U18 | 31 | — | — | — | 69 | 2.26 | — | 4 | 3 | — | — | — | 10 | 3.37 | — | 0 |
| 2013-14 | Kladno Jr. | CZREP-JR | 6 | — | — | — | 15 | 2.46 | — | 1 | — | — | — | — | — | — | — | — |
| 2014-15 | Czechia U18 | WJC-18 | 4 | 2 | 2 | — | 11 | 3.38 | 0.903 | 1 | — | — | — | — | — | — | — | — |
| 2014-15 | Rytiri Kladno U20 | CZECH-U20 | 29 | — | — | — | 78 | 2.78 | 0.926 | 1 | 4 | — | — | — | — | 3.60 | 0.892 | — |
| 2014-15 | Kladno | CZREP-2 | 8 | — | — | — | 16 | 1.97 | — | 1 | — | — | — | — | — | — | — | — |
| 2014-15 | Rytiri Kladno | CZECH2 | 8 | — | — | — | 16 | 1.97 | 0.933 | 1 | — | — | — | — | — | — | — | — |
| 2014-15 | Kladno Jr. | CZREP-JR | 29 | — | — | — | 78 | 2.78 | — | 1 | 4 | — | — | — | 12 | 3.60 | — | 0 |
| 2015-16 | Chicago Steel | USHL | 30 | 12 | 12 | 4 | 68 | 2.31 | 0.920 | 3 | — | — | — | — | — | — | — | — |
| 2016-17 | Czechia U20 | WJC-20 | 2 | 0 | 2 | — | 8 | 3.97 | 0.864 | 0 | — | — | — | — | — | — | — | — |
| 2016-17 | Providence Bruins | AHL | 8 | 4 | 0 | 3 | 17 | 2.62 | 0.921 | 1 | — | — | — | — | — | — | — | — |
| 2016-17 | Atlanta Gladiators | ECHL | 18 | 5 | 9 | 2 | 63 | 3.89 | 0.887 | 0 | — | — | — | — | — | — | — | — |
| 2017-18 | Atlanta Gladiators | ECHL | 41 | 17 | 18 | 2 | 114 | 2.96 | 0.911 | 0 | 3 | 0 | 3 | — | 9 | 3.10 | 0.917 | 0 |
| 2017-18 | Providence Bruins | AHL | 4 | 2 | 2 | 0 | 9 | 2.23 | 0.924 | 0 | — | — | — | — | — | — | — | — |
| 2018-19 | Providence Bruins | AHL | 31 | 13 | 13 | 5 | 84 | 2.73 | 0.898 | 2 | 1 | 1 | 0 | 5 | 2 | 2.00 | 0.926 | 0 |
| 2019-20 | Atlanta Gladiators | ECHL | 1 | 1 | 0 | 0 | 2 | 2.00 | 0.909 | 0 | — | — | — | — | — | — | — | — |
| 2019-20 | Boston Bruins | NHL | — | — | — | — | — | — | — | — | 1 | 0 | 0 | 0 | 3 | 6.27 | 0.800 | 0 |
| 2019-20 | Providence Bruins | AHL | 25 | 14 | 7 | 1 | 42 | 1.79 | 0.936 | 3 | — | — | — | — | — | — | — | — |
| 2020-21 | Boston Bruins | NHL | 5 | 2 | 2 | 1 | 17 | 3.40 | 0.886 | 0 | — | — | — | — | — | — | — | — |
| 2020-21 | Providence Bruins | AHL | 10 | 3 | 4 | 3 | 22 | 2.19 | 0.923 | 1 | — | — | — | — | — | — | — | — |
| 2020-21 | HC Dynamo Pardubice | CZECHIA | 6 | 4 | 2 | — | 8 | 1.29 | 0.956 | 1 | — | — | — | — | — | — | — | — |
| 2021-22 | Calgary Flames | NHL | 23 | 13 | 6 | 2 | 57 | 2.75 | 0.906 | 2 | 1 | 0 | 0 | 0 | 0 | 0.00 | 1.000 | 0 |
| 2022-23 | Calgary Flames | NHL | 27 | 14 | 6 | 5 | 72 | 2.91 | 0.895 | 0 | — | — | — | — | — | — | — | — |
| 2023-24 | Calgary Flames | NHL | 20 | 8 | 9 | 2 | 68 | 3.62 | 0.882 | 0 | — | — | — | — | — | — | — | — |
| 2024-25 | Calgary Flames | NHL | 30 | 12 | 11 | 6 | 83 | 2.80 | 0.898 | 2 | — | — | — | — | — | — | — | — |
| 2024-25 | Czechia | WC | 4 | 3 | 0 | — | 4 | 1.09 | 0.951 | 1 | — | — | — | — | — | — | — | — |
| 2025-26 | Philadelphia Flyers | NHL | 52 | 29 | 14 | 7 | 121 | 2.42 | 0.906 | 0 | 10 | 4 | 6 | 0 | 23 | 2.18 | 0.922 | 2 |
| 2025-26 | Czechia | OG | 1 | 1 | 0 | 0 | 3 | 3.00 | 0.750 | 0 | — | — | — | — | — | — | — | — |
| Totals | 491 | 159 | 119 | 43 | 1255 | 2.67 | 0.909 | 27 | 30 | 5 | 9 | 5 | 69 | 3.70 | 0.918 | 2 | ||