| 2017-09-22 | Piast GliwicevArka GdyniaEkstraklasa · Poland | 0–1 | Ekstraklasa · Poland |
| 2017-09-22 | NimesvNiortLigue 2 · France | 1–5 | Ligue 2 · France |
| 2017-09-22 | AlmeriavSevilla BLa Liga 2 · Spain | 3–0 | La Liga 2 · Spain |
| 2017-09-22 | Derry CityvBrayPremier Division · Ireland | 0–5 | Premier Division · Ireland |
| 2017-09-22 | Ajaccio GFCOvChateaurouxLigue 2 · France | 2–1 | Ligue 2 · France |
| 2017-09-22 | Shamrock RoversvFinn HarpsPremier Division · Ireland | 4–1 | Premier Division · Ireland |
| 2017-09-22 | OrleansvToursLigue 2 · France | 1–1 | Ligue 2 · France |
| 2017-09-22 | BohemiansvSt. PatricksPremier Division · Ireland | 3–2 | Premier Division · Ireland |
| 2017-09-22 | Bayern MunichvWolfsburgBundesliga · Germany | 2–2 | Bundesliga · Germany |
| 2017-09-22 | SochauxvAjaccioLigue 2 · France | 1–6 | Ligue 2 · France |
| 2017-09-22 | Slask WroclawvLech PoznanEkstraklasa · Poland | 2–0 | Ekstraklasa · Poland |
| 2017-09-22 | PortovPortimonensePrimeira Liga · Portugal | 5–2 | Primeira Liga · Portugal |
| 2017-09-22 | DundalkvDroghedaPremier Division · Ireland | 3–0 | Premier Division · Ireland |
| 2017-09-22 | Quevilly RouenvReimsLigue 2 · France | 1–2 | Ligue 2 · France |
| 2017-09-22 | AntwerpvKortrijkPro League · Belgium | 3–0 | Pro League · Belgium |
| 2017-09-22 | Chongqing Liangjiang AthleticvGuangzhou EvergrandeSuper League · China | 2–2 | Super League · China |
| 2017-09-22 | DuisburgvHolstein Kiel2. Bundesliga · Germany | 1–3 | 2. Bundesliga · Germany |
| 2017-09-22 | NordsjaellandvSonderjyskeSuperliga · Denmark | 2–2 | Superliga · Denmark |
| 2017-09-21 | LevantevSociedadLa Liga · Spain | 3–0 | La Liga · Spain |
| 2017-09-21 | ThunvGrasshoppersSuper League · Switzerland | 2–2 | Super League · Switzerland |
| 2017-09-21 | TromsovOddEliteserien · Norway | 2–2 | Eliteserien · Norway |
| 2017-09-21 | Atlanta UtdvLos Angeles GalaxyMLS · United States | 4–0 | MLS · United States |
| 2017-09-21 | Viitorul ConstantavDaco-Getica BucurestiSuperliga · Romania | 3–0 | Superliga · Romania |
| 2017-09-21 | LuganovSionSuper League · Switzerland | 1–2 | Super League · Switzerland |
| 2017-09-21 | CFR ClujvFCSBSuperliga · Romania | 1–1 | Superliga · Romania |
| 2017-09-21 | Toronto FCvCF MontrealMLS · United States | 3–5 | MLS · United States |
| 2017-09-21 | VillarrealvEspanolLa Liga · Spain | 0–0 | La Liga · Spain |
| 2017-09-21 | NurnbergvBochum2. Bundesliga · Germany | 3–1 | 2. Bundesliga · Germany |
| 2017-09-21 | CeltavGetafeLa Liga · Spain | 1–1 | La Liga · Spain |
| 2017-09-21 | Gaz Metan MediasvAstraSuperliga · Romania | 0–0 | Superliga · Romania |
| 2017-09-21 | OrebrovAFC EskilstunaAllsvenskan · Sweden | 2–3 | Allsvenskan · Sweden |
| 2017-09-21 | SundsvallvAIKAllsvenskan · Sweden | 0–0 | Allsvenskan · Sweden |
| 2017-09-20 | OstersundsvMalmo FFAllsvenskan · Sweden | 2–2 | Allsvenskan · Sweden |
| 2017-09-20 | VeronavSampdoriaSerie A · Italy | 0–0 | Serie A · Italy |
| 2017-09-20 | GenoavChievoSerie A · Italy | 1–1 | Serie A · Italy |
| 2017-09-20 | JonkopingsvSiriusAllsvenskan · Sweden | 3–1 | Allsvenskan · Sweden |
| 2017-09-20 | UdinesevTorinoSerie A · Italy | 2–3 | Serie A · Italy |
| 2017-09-20 | AtalantavCrotoneSerie A · Italy | 5–1 | Serie A · Italy |
| 2017-09-20 | SevillavLas PalmasLa Liga · Spain | 1–0 | La Liga · Spain |
| 2017-09-20 | DresdenvBielefeld2. Bundesliga · Germany | 0–2 | 2. Bundesliga · Germany |
| 2017-09-20 | Real MadridvBetisLa Liga · Spain | 0–1 | La Liga · Spain |
| 2017-09-20 | La CorunavAlavesLa Liga · Spain | 1–0 | La Liga · Spain |
| 2017-09-20 | HeidenheimvDarmstadt2. Bundesliga · Germany | 2–2 | 2. Bundesliga · Germany |
| 2017-09-20 | FC BotosanivPoli IasiSuperliga · Romania | 3–3 | Superliga · Romania |
| 2017-09-20 | JuventusvFiorentinaSerie A · Italy | 1–0 | Serie A · Italy |
| 2017-09-20 | MainzvHoffenheimBundesliga · Germany | 2–3 | Bundesliga · Germany |
| 2017-09-20 | HammarbyvGoteborgAllsvenskan · Sweden | 2–1 | Allsvenskan · Sweden |
| 2017-09-20 | LeganesvGironaLa Liga · Spain | 0–0 | La Liga · Spain |
| 2017-09-20 | BraunschweigvGreuther Furth2. Bundesliga · Germany | 3–0 | 2. Bundesliga · Germany |
| 2017-09-20 | MilanvSpalSerie A · Italy | 2–0 | Serie A · Italy |