Alexander Zverev’s ex-girlfriend Brenda Patea will be questioned as witness in the trial against the Olympic champion over assault accusations, the district court in Berlin decided on Monday at request of the player’s defence. Patea didn’t object. Her lawyer had previously spoken of a campaign by the defence against her client to damage her credibility and put her under psychological pressure. Zverev, who later on Monday face Holger Rune in the last 16 of the French Open, is appealing against a €450,000 ($487,800) penalty order on assault charges, which was issued without trial. According to t…