Head to Head
| BDO World Championship 2019 | 2018/05/12 19:15 | Jelle Klaasen v Krzysztof Ratajski | 2-6 |
| BDO World Championship 2019 | 2017/09/02 12:30 | Jelle Klaasen v Krzysztof Ratajski | 3-6 |
Home History
| PDC Winter Series 3 2020 | 2020/11/12 14:30 | Jelle Klaasen v Matthew Edgar | 6-3 |
| Players Championship 19 2020 | 2020/11/10 16:00 | Jermaine Wattimena v Jelle Klaasen | 6-3 |
| European Tour 4 2020 | 2020/10/23 19:35 | Max Hopp v Jelle Klaasen | 6-1 |
| PDC Autumn Series 5 2020 | 2020/09/16 11:50 | Jose De Sousa v Jelle Klaasen | 6-5 |
| PDC Autumn Series 4 2020 | 2020/09/15 12:05 | Damon Heta v Jelle Klaasen | 6-4 |
| PDC Autumn Series 1 2020 | 2020/09/12 13:35 | Jelle Klaasen v Vincent van der Voort | 6-4 |
| PDC Summer Series 5 2020 | 2020/07/12 12:45 | Peter Wright v Jelle Klaasen | 6-4 |
| PDC Home Tour 2020 | 2020/06/05 20:20 | Gary Anderson v Jelle Klaasen | 6-3 |
Away History
| World Cup of Darts 2020 | 2020/11/07 18:10 | Simon Whitlock v Krzysztof Ratajski | 4-3 |
| PDC Home Tour 3 2020 | 2020/11/03 15:15 | Stephen Bunting v Krzysztof Ratajski | 0-4 |
| PDC Home Tour 3 2020 | 2020/11/03 14:20 | Krzysztof Ratajski v Ron Meulenkamp | 4-3 |
| PDC Home Tour 3 2020 | 2020/11/03 13:10 | Jonathan Worsley v Krzysztof Ratajski | 1-4 |
| PDC Home Tour 3 2020 | 2020/11/03 12:20 | Krzysztof Ratajski v Ryan Meikle | 4-0 |
| PDC Home Tour 3 2020 | 2020/11/03 11:15 | Martijn Kleermaker v Krzysztof Ratajski | 1-4 |
| PDC Home Tour 3 2020 | 2020/11/03 09:50 | Krzysztof Ratajski v Nathan Derry | 4-3 |
| European Championship 2020 | 2020/10/29 15:40 | Krzysztof Ratajski v Steve West | 5-6 |