Fernando Torrres helped rescue Chelsea from what looked a shock premier league defeat against Reading.
A Frank Lampard penalty put the London club in front but Reading hit back twice to lead 2-1 at the break.
Torres looked off-side when he scored but the goal stood and Ivanovic made it 4-2 to send Chelsea top of the table.
Udinese will be looking to home advantage in the second leg of their Champions League play-off after being held to a 1-1 draw at Sporting Braga.
Newcastle travel to Greece to play Atromitos Athinos in the first leg of their Europa League play-off.
Liverpool make the shorter trip to Scottish side Heart of Modlothian.
Inter face Romanian club FC Vaslui and Lazio take on Mura 05 from Slovenia.
Expect sparks to fly tonight when Barcelona take on Real Madrid in the Spanish Super Cup.
Yamaha’s Tech 3 rider Andrea Dovizioso will replace Valentino Rossi at Ducati next season as the 7-times Moto GP world champion returns to Yamaha.
Juventus coach Antonio Conte will miss all the Seria A season after losing his appeal against a 10-month ban over a match-fixing scandal.