| 2017-05-21 | CelticvHeartsPremiership · Scotland | 2–0 | Premiership · Scotland |
| 2017-05-21 | LyngbyvFC CopenhagenSuperliga · Denmark | 3–1 | Superliga · Denmark |
| 2017-05-21 | Godoy CruzvVelez SarsfieldLiga Profesional · Argentina | 3–0 | Liga Profesional · Argentina |
| 2017-05-21 | EmpolivAtalantaSerie A · Italy | 0–1 | Serie A · Italy |
| 2017-05-21 | VitoriavCorinthiansSerie A · Brazil | 0–1 | Serie A · Brazil |
| 2017-05-21 | MilanvBolognaSerie A · Italy | 3–0 | Serie A · Italy |
| 2017-05-21 | Atlanta UtdvHouston DynamoMLS · United States | 4–1 | MLS · United States |
| 2017-05-21 | SiriusvHammarbyAllsvenskan · Sweden | 1–1 | Allsvenskan · Sweden |
| 2017-05-21 | Man UnitedvCrystal PalacePremier League · England | 2–0 | Premier League · England |
| 2017-05-21 | HullvTottenhamPremier League · England | 1–7 | Premier League · England |
| 2017-05-21 | UfavUralPremier League · Russia | 1–0 | Premier League · Russia |
| 2017-05-21 | SionvLuzernSuper League · Switzerland | 2–3 | Super League · Switzerland |
| 2017-05-21 | TromsovStromsgodsetEliteserien · Norway | 1–1 | Eliteserien · Norway |
| 2017-05-21 | JagielloniavLegiaEkstraklasa · Poland | 0–0 | Ekstraklasa · Poland |
| 2017-05-21 | UdinesevSampdoriaSerie A · Italy | 1–1 | Serie A · Italy |
| 2017-05-21 | SouthamptonvStokePremier League · England | 0–1 | Premier League · England |
| 2017-05-21 | SK RapidvSturm GrazBundesliga · Austria | 1–0 | Bundesliga · Austria |
| 2017-05-21 | Fortuna DusseldorfvErzgebirge Aue2. Bundesliga · Germany | 1–0 | 2. Bundesliga · Germany |
| 2017-05-21 | PartickvAberdeenPremiership · Scotland | 0–6 | Premiership · Scotland |
| 2017-05-21 | KonyasporvKarabuksporSüper Lig · Turkey | 3–0 | Süper Lig · Turkey |
| 2017-05-21 | San LorenzovAldosiviLiga Profesional · Argentina | 0–1 | Liga Profesional · Argentina |
| 2017-05-21 | Henan Songshan LongmenvGuizhou ZhichengSuper League · China | 0–1 | Super League · China |
| 2017-05-21 | Malmo FFvNorrkopingAllsvenskan · Sweden | 1–2 | Allsvenskan · Sweden |
| 2017-05-21 | QuilmesvDefensa y JusticiaLiga Profesional · Argentina | 0–2 | Liga Profesional · Argentina |
| 2017-05-21 | FC DallasvSan Jose EarthquakesMLS · United States | 0–1 | MLS · United States |
| 2017-05-21 | TondelavSp BragaPrimeira Liga · Portugal | 2–0 | Primeira Liga · Portugal |
| 2017-05-21 | MalagavReal MadridLa Liga · Spain | 0–2 | La Liga · Spain |
| 2017-05-21 | HeidenheimvMunich 18602. Bundesliga · Germany | 2–1 | 2. Bundesliga · Germany |
| 2017-05-21 | SonderjyskevBrondbySuperliga · Denmark | 3–0 | Superliga · Denmark |
| 2017-05-21 | Young BoysvBaselSuper League · Switzerland | 2–1 | Super League · Switzerland |
| 2017-05-21 | New England RevolutionvColumbus CrewMLS · United States | 2–1 | MLS · United States |
| 2017-05-21 | Philadelphia UnionvColorado RapidsMLS · United States | 2–1 | MLS · United States |
| 2017-05-21 | DresdenvBielefeld2. Bundesliga · Germany | 1–1 | 2. Bundesliga · Germany |
| 2017-05-21 | VascovBahiaSerie A · Brazil | 2–1 | Serie A · Brazil |
| 2017-05-21 | WatfordvMan CityPremier League · England | 0–5 | Premier League · England |
| 2017-05-21 | TrabzonsporvBuyuksehyrSüper Lig · Turkey | 0–0 | Süper Lig · Turkey |
| 2017-05-21 | AmkarvRubin KazanPremier League · Russia | 1–2 | Premier League · Russia |
| 2017-05-21 | KaiserslauternvNurnberg2. Bundesliga · Germany | 1–0 | 2. Bundesliga · Germany |
| 2017-05-21 | ValenciavVillarrealLa Liga · Spain | 1–3 | La Liga · Spain |
| 2017-05-21 | KristiansundvHaugesundEliteserien · Norway | 3–2 | Eliteserien · Norway |
| 2017-05-21 | BraunschweigvKarlsruhe2. Bundesliga · Germany | 2–1 | 2. Bundesliga · Germany |
| 2017-05-21 | SwanseavWest BromPremier League · England | 2–1 | Premier League · England |
| 2017-05-21 | OrenburgvFK RostovPremier League · Russia | 2–0 | Premier League · Russia |
| 2017-05-21 | JuventusvCrotoneSerie A · Italy | 3–0 | Serie A · Italy |
| 2017-05-21 | Sp LisbonvChavesPrimeira Liga · Portugal | 4–1 | Primeira Liga · Portugal |
| 2017-05-21 | NumanciavLugoLa Liga 2 · Spain | 0–1 | La Liga 2 · Spain |
| 2017-05-21 | AalesundvSandefjordEliteserien · Norway | 2–0 | Eliteserien · Norway |
| 2017-05-21 | OddvMoldeEliteserien · Norway | 1–2 | Eliteserien · Norway |
| 2017-05-21 | Arsenal TulavSpartak MoscowPremier League · Russia | 3–0 | Premier League · Russia |
| 2017-05-21 | Athletico-PRvGremioSerie A · Brazil | 0–2 | Serie A · Brazil |