| Date | Match | Score | |
|---|---|---|---|
| W | 2026-03-21 | Philadelphia Union v Chicago Fire | 1–2 |
| L | 2025-11-01 | Chicago Fire v Philadelphia Union | 0–3 |
| D | 2025-10-26 | Philadelphia Union v Chicago Fire | 2–2 |
| L | 2025-08-24 | Philadelphia Union v Chicago Fire | 4–0 |
| L | 2025-06-26 | Chicago Fire v Philadelphia Union | 0–1 |
| W | 2024-07-04 | Chicago Fire v Philadelphia Union | 4–3 |
| D | 2024-02-25 | Philadelphia Union v Chicago Fire | 2–2 |
| D | 2023-04-16 | Chicago Fire v Philadelphia Union | 2–2 |
| L | 2023-03-12 | Philadelphia Union v Chicago Fire | 1–0 |
| L | 2022-08-14 | Philadelphia Union v Chicago Fire | 4–1 |
| W | 2022-06-30 | Chicago Fire v Philadelphia Union | 1–0 |
| D | 2021-08-01 | Philadelphia Union v Chicago Fire | 1–1 |
| D | 2021-06-27 | Chicago Fire v Philadelphia Union | 3–3 |
| L | 2021-05-08 | Chicago Fire v Philadelphia Union | 0–2 |
| L | 2020-10-28 | Philadelphia Union v Chicago Fire | 2–1 |
| W | 2019-08-18 | Chicago Fire v Philadelphia Union | 2–0 |
| L | 2019-07-21 | Philadelphia Union v Chicago Fire | 2–0 |
| L | 2018-07-12 | Chicago Fire v Philadelphia Union | 3–4 |
| L | 2018-05-31 | Philadelphia Union v Chicago Fire | 3–1 |
| W | 2017-10-15 | Chicago Fire v Philadelphia Union | 3–2 |
| L | 2017-09-24 | Philadelphia Union v Chicago Fire | 3–1 |
| W | 2016-09-04 | Chicago Fire v Philadelphia Union | 3–0 |
| L | 2016-06-23 | Philadelphia Union v Chicago Fire | 4–3 |
| W | 2016-04-02 | Chicago Fire v Philadelphia Union | 1–0 |
| D | 2015-08-17 | Philadelphia Union v Chicago Fire | 3–3 |
League meetings on record only — domestic cup and European ties are not yet in the archive, so this is the league ledger of the rivalry, not every match ever played. Results from PitchVAR's own football warehouse.