The judge who will decide whether Google holds a monopoly over technology that matches buyers and sellers of online advertising must choose whether to believe what Google executives wrote or what they’ve said on the witness stand.

Antitrust officials had imposed the fine over how the search giant might have restricted the way that some websites displayed ads sold by its rivals.

Google has successfully overturned a €1.5 billion antitrust fine it was handed by the European Commission in 2019.