 Reuters Ugo Humberts three-year reign as Auckland Open champion came to an end on Tuesday as Christopher Eubanks defeated the Frenchman 7-64 7-63 with sixth-seeded American John Isner also exiting the tournament in the first round. Humbert won the event, his first success on the ATP tour, when it was last played in 2020 ... Tennis-Humberts three-year Auckland reign ends with first round... 