| Full name: | Frederick Jack Klaassen |
| Born: | 13th November 1992, Haywards Heath, Sussex, England |
| Batting: | Right-hand batter |
| Bowling: | Left-arm medium-fast |
| Teams: | Netherlands (International Twenty20: 2018-2023/24); Netherlands (ODI: 2018-2025); Kent (Main FC: 2019-2021); Kent (Main ListA: 2019); Kent (Main Twenty20: 2019-2025); Manchester Originals Men (Main Twenty20: 2021-2022); All teams |
| Lists of matches and more detailed statistics | |
| ODI Career Batting and Fielding (2018-2025) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Netherlands | 20 | 16 | 8 | 79 | 13 | 9.87 | 0 | 0 | 61.71 | 6 | |
| ODI Career Bowling (2018-2025) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| Netherlands | 1107 | 12 | 813 | 32 | 3-23 | 25.40 | 0 | 0 | 34.59 | 4.40 |
| International Twenty20 Career Batting and Fielding (2018-2023/24) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Netherlands | 39 | 15 | 5 | 45 | 13 | 4.50 | 0 | 0 | 84.90 | 17 | |
| International Twenty20 Career Bowling (2018-2023/24) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| Netherlands | 804 | 0 | 1008 | 43 | 5-19 | 23.44 | 0 | 1 | 18.69 | 7.52 |
| First-Class Career Batting and Fielding (2019-2021) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Kent | 5 | 8 | 3 | 45 | 14* | 9.00 | 0 | 0 | 17.44 | 3 | |
| First-Class Career Bowling (2019-2021) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Kent | 689 | 11 | 422 | 9 | 4-44 | 46.88 | 0 | 0 | 76.55 | 3.67 |
| List A Career Batting and Fielding (2017-2025) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Overall | 35 | 26 | 14 | 108 | 13 | 9.00 | 0 | 0 | 59.34 | 13 | |
| List A Career Bowling (2017-2025) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| Overall | 1771 | 19 | 1406 | 50 | 3-23 | 28.12 | 0 | 0 | 35.42 | 4.76 |
| Twenty20 Career Batting and Fielding (2018-2025) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Overall | 112 | 32 | 16 | 121 | 21* | 7.56 | 0 | 0 | 107.07 | 42 | |
| Twenty20 Career Bowling (2018-2025) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| Overall | 2251 | 3 | 3150 | 119 | 5-19 | 26.47 | 2 | 1 | 18.91 | 8.39 |
| Twenty20 Blast Career Batting and Fielding (2019-2025) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Kent | 62 | 13 | 9 | 65 | 21* | 16.25 | 0 | 0 | 138.29 | 21 | |
| Twenty20 Blast Career Bowling (2019-2025) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| Kent | 1273 | 3 | 1878 | 65 | 4-17 | 28.89 | 2 | 0 | 19.58 | 8.85 |
| The Hundred Career Batting and Fielding (2021-2022) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Manchester Originals Men | 8 | 4 | 2 | 11 | 6* | 5.50 | 0 | 0 | 84.61 | 3 | |
| The Hundred Career Bowling (2021-2022) | ||||||||||
| Balls | Dots | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| Manchester Originals Men | 114 | 45 | 188 | 7 | 3-23 | 26.85 | 0 | 0 | 16.28 | 164.91 |