The American has now won nine of his last 11 fights by stoppage.
Sadaf Khadem and her trainer Mahyar Monshipour are currently in the French city of Poitiers, the spokesperson, who asked not to be named, said.
The 31-year-old Lomachenko delivered a devastating right hook to the temple that sent the Englishman crashing face first to the canvas just 58 seconds into the fourth round.
Independent US experts of the Voluntary Anti-Doping Association were in Kiev and ready to perform tests of both candidates, Klitschko told Germany's Bild daily, offering to pay the bill.
He replaces Gafur Rahimov, a controversial Uzbek businessman who stood down last week under pressure from the International Olympic Committee.
Umar Kremlev, in a letter to the IOC, said he was "ready to close the debts of AIBA in full so long as our favourite sport remains on the Olympic programme".
Boxing's inclusion in Tokyo depends on the outcome of an investigation into AIBA by the International Olympic Committee, which has presented the body with a list of 41 questions via audit firm Deloitte.
France basked in the glow of six boxing medals in Rio, including golds for super heavyweight Tony Yoka and his now wife Estelle Mossely.
The Uzbek businessman said that under his leadership "the work done this last year has revitalised and energised AIBA and boxing".
Two judges awarded the fight to Porter by scores of 116-112 and 115-113, while the third saw Ugas as a 117-111 winner.
Known for his rags-to-riches climb from the street, Pacquiao said his wife Jinkee was adamant their 19-year-old son, nicknamed Jimuel, must not box.
The 33-year-old, who as a middleweight won Olympic gold in Beijing in 2008, said he had been on an "amazing journey" but 10 years to the day of his first professional bout was an apt one to hang up his gloves.
The action-packed bout was stopped in the 10th of 12 scheduled rounds on the advice of the ringside doctor because of a gaping cut over Dirrell's left eye.
Unbeaten Davis lived up to his knockout-artist reputation with his 20th win inside the distance out of his 21 victories.
The 35-year-old Kovalev won by a 12-round unanimous decision to avenge a stunning loss to Alvarez six months ago and retake the World Boxing Organization 175-pound belt.