| Date | Match | Score | |
|---|---|---|---|
| W | 2026-03-15 | Houston Dynamo v Portland Timbers | 3–2 |
| W | 2025-09-21 | Houston Dynamo v Portland Timbers | 1–0 |
| L | 2025-03-31 | Portland Timbers v Houston Dynamo | 3–1 |
| D | 2024-06-02 | Portland Timbers v Houston Dynamo | 2–2 |
| W | 2024-03-17 | Houston Dynamo v Portland Timbers | 1–0 |
| W | 2023-10-22 | Portland Timbers v Houston Dynamo | 1–3 |
| W | 2023-08-21 | Houston Dynamo v Portland Timbers | 5–0 |
| L | 2022-06-30 | Portland Timbers v Houston Dynamo | 2–1 |
| D | 2022-04-16 | Houston Dynamo v Portland Timbers | 0–0 |
| L | 2021-09-04 | Houston Dynamo v Portland Timbers | 0–2 |
| D | 2021-06-24 | Houston Dynamo v Portland Timbers | 2–2 |
| L | 2021-04-25 | Portland Timbers v Houston Dynamo | 2–1 |
| L | 2020-07-19 | Portland Timbers v Houston Dynamo | 2–1 |
| L | 2019-06-23 | Portland Timbers v Houston Dynamo | 4–0 |
| D | 2019-05-16 | Houston Dynamo v Portland Timbers | 1–1 |
| W | 2018-09-16 | Houston Dynamo v Portland Timbers | 4–1 |
| L | 2018-07-29 | Portland Timbers v Houston Dynamo | 2–1 |
| W | 2017-11-06 | Portland Timbers v Houston Dynamo | 1–2 |
| D | 2017-10-31 | Houston Dynamo v Portland Timbers | 0–0 |
| D | 2017-07-30 | Houston Dynamo v Portland Timbers | 2–2 |
| L | 2017-03-19 | Portland Timbers v Houston Dynamo | 4–2 |
| W | 2016-09-25 | Houston Dynamo v Portland Timbers | 3–1 |
| L | 2016-06-26 | Portland Timbers v Houston Dynamo | 3–2 |
| D | 2015-08-22 | Portland Timbers v Houston Dynamo | 2–2 |
| L | 2015-06-21 | Portland Timbers v Houston Dynamo | 2–0 |
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.