63 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Westerberg, Jonathan | Lindberg, Bengt | 1/2-1/2 | D05 | Rond 8: Westerberg, Jonathan - Lindberg, Bengt | 2026-03-07 |
| Westerberg, Jonathan | Demchenko, Anton | 0-1 | A46 | Rond 5: Westerberg, Jonathan - Demchenko, Anton | 2026-01-17 |
| Westerberg, Jonathan | Norberg, Erik | 1-0 | B06 | Rond 4: Westerberg, Jonathan - Norberg, Erik | 2026-01-16 |
| Westerberg, Jonathan | Johansson, Linus | 0-1 | B20 | Rond 3: Westerberg, Jonathan - Johansson, Linus | 2025-11-30 |
| Westerberg, Jonathan | Berg, Emanuel | 1-0 | A48 | Rond 1: Westerberg, Jonathan - Berg, Emanuel | 2025-11-28 |
| Westerberg, Jonathan | Blomqvist, Erik | 1/2-1/2 | C15 | Round 1: Westerberg, Jonathan - Blomqvist, Erik | 2025-09-15 |
| Westerberg, Jonathan | Ivarsson, Anders | 1-0 | B28 | Round 2: Westerberg, Jonathan - Ivarsson, Anders | 2025-04-05 |
| Westerberg, Jonathan | Schwartz, Julius | 1-0 | C47 | Round 4: Westerberg, Jonathan - Schwartz, Julius | 2025-04-05 |
| Westerberg, Jonathan | Brodin, Leo | 1-0 | B20 | Round 6: Westerberg, Jonathan - Brodin, Leo | 2025-04-05 |
| Westerberg, Jonathan | Lindh, Fredrik | 1-0 | B20 | The Elitserien 2024/25: round 7 - 9 | 2025-03-08 |
| Westerberg, Jonathan | Cramling, Pia | 1-0 | B40 | Round 2: Westerberg, Jonathan - Cramling, Pia | 2024-10-14 |
| Westerberg, Jonathan | Mauritsson, Sebastian | 1-0 | B51 | The Elitserien 2024/25: round 1 - 3 | 2024-10-06 |
| Westerberg, Jonathan | Miezis, Normunds | 0-1 | B40 | The Elitserien 2024/25: round 1 - 3 | 2024-10-04 |
| Westerberg, Jonathan | Rahul Kumar, Pune | 1-0 | B00 | The Elitserien 2023/2024: round 7 - 9 | 2024-03-09 |
| Jonathan Westerberg | Lars Degerman | 1/2-1/2 | A48 | Rond 5: Jonathan Westerberg - Lars Degerman | 2024-02-18 |
| Jonathan Westerberg | Jörgen Eriksson | 1-0 | B31 | Rond 7: Jonathan Westerberg - Jörgen Eriksson | 2024-02-18 |
| Jonathan Westerberg | Christer Johansson | 1-0 | B52 | Rond 1: Jonathan Westerberg - Christer Johansson | 2024-02-17 |
| Jonathan Westerberg | Nils Carlsson | 1-0 | B01 | Rond 3: Jonathan Westerberg - Nils Carlsson | 2024-02-17 |
| Westerberg, Jonathan | Cederstam, Carl | 1/2-1/2 | A13 | 50th Rilton Cup | 2022-12-27 |
| Westerberg Jonathan | Gong Qianyun | 1-0 | A46 | WCO | 2022-08-09 |
| Westerberg Jonathan | Phiri Richmond | 1-0 | A46 | WCO | 2022-08-06 |
| Westerberg Jonathan | Abdyjapar Asyl | 0-1 | C54 | WCO | 2022-08-03 |
| Westerberg Jonathan | Kobese Watu | 1/2-1/2 | C47 | WCO | 2022-08-01 |
| Westerberg Jonathan | Amdouni Zoubaier | 1/2-1/2 | B23 | WCO | 2022-07-30 |
| Westerberg, Jonathan | Smith, Axel | 1-0 | B40 | Swedish Team Championship Final 2021 | 2021-10-23 |
| Westerberg, Jonathan | Nevednichy, Vladislav | 1/2-1/2 | D38 | 36th European Club Cup | 2021-09-24 |
| Westerberg, Jonathan | Donchenko, Alexander | 0-1 | C54 | 36th European Club Cup | 2021-09-21 |
| Westerberg, Jonathan | Jepson, Christian | 1/2-1/2 | B06 | 36th European Club Cup | 2021-09-20 |
| Westerberg, Jonathan | Blomqvist, Erik | 1/2-1/2 | B50 | Swedish Chess Championship 2021: Sverigemastarklassen | 2021-07-11 |
| Westerberg, Jonathan | Seo, Jung Min | 1/2-1/2 | E46 | Swedish Chess Championship 2021: Sverigemastarklassen | 2021-07-09 |
| Westerberg, Jonathan | Wiedenkeller, Michael | 1-0 | A20 | Swedish Chess Championship 2021: Sverigemastarklassen | 2021-07-07 |
| Westerberg, Jonathan | Lokander, Martin | 1-0 | C55 | Swedish Chess Championship 2021: Sverigemastarklassen | 2021-07-05 |
| Westerberg, Jonathan | Hector, Jonny | 1-0 | C47 | Swedish Chess Championship 2021: Sverigemastarklassen | 2021-07-03 |