2009–10 UEFA Europa League Third qualifying round Third qualifying round

| Team_1 | Agg_ | Team_2 | _1st_leg | _2nd_leg |
|---|---|---|---|---|
| Helsingborg | 3–3 (4–5 p ) † | Sarajevo | 2–1 | 1–2 ( aet ) |
| Fredrikstad | 3–7 | Lech Poznań | 1–6 | 2–1 |
| Rijeka | 1–4 | Metalist Kharkiv | 1–2 | 0–2 |
| Roma | 10–2 † | Gent | 3–1 | 7–1 |
| Vaslui | 3–1 | Omonia | 2–0 | 1–1 |
| Slavija | 1–5 | Košice | 0–2 | 1–3 |
| IFK Göteborg | 2–4 | Hapoel Tel Aviv | 1–3 | 1–1 |
| PSV Eindhoven | 2–0 | Cherno More | 1–0 | 1–0 |
| Metalurh Donetsk | 5–0 | Interblock Ljubljana | 2–0 | 3–0 |
| Vålerenga | 2–2 ( a ) | PAOK | 1–2 | 1–0 |
| Rapid Wien | 4–3 † | APOP Kinyras | 2–1 | 2–2 ( aet ) |
| Honka | 1–3 | Karabakh | 0–1 | 1–2 |
| Vaduz | 0–3 | Slovan Liberec | 0–1 | 0–2 |