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

| Team_1 | Agg_ | Team_2 | _1st_leg | _2nd_leg |
|---|---|---|---|---|
| St Patrick`s Athletic | 3–3 ( a ) | Krylia Sovetov | 1–0 | 2–3 |
| Randers | 1–4 | Hamburg | 0–4 | 1–0 |
| Tromsø | 4–1 | Slaven Belupo | 2–1 | 2–0 |
| Brøndby | 3–3 ( a ) | Legia Warsaw | 1–1 | 2–2 |
| Vojvodina | 3–5 | Austria Wien | 1–1 | 2–4 |
| CSKA Sofia | 2–1 | Derry City | 1–0 | 1–1 |
| Steaua Bucureşti | 6–1 | Motherwell | 3–0 | 3–1 |
| MŠK Žilina | 2–1 | Hajduk Split | 1–1 | 1–0 |
| Braga | 1–4 | Elfsborg | 1–2 | 0–2 |
| Aberdeen | 1–8 | Sigma Olomouc | 1–5 | 0–3 |
| Rabotnički | 3–7 | Odense | 3–4 | 0–3 |
| Sevojno | 0–4 | Lille | 0–2 | 0–2 |
| Petrovac | 1–7 | Sturm Graz | 1–2 | 0–5 |
| Fenerbahçe | 6–2 | Budapest Honvéd | 5–1 | 1–1 |
| Bnei Yehuda | 2–0 | Paços de Ferreira | 1–0 | 1–0 |
| Club Brugge | 4–3 | Lahti | 3–2 | 1–1 |