Former champions Andrey Rublev triumphed in a battle of former winners when the Russian star defeated Ugo Humbert 6-4 6-7 (5/7) 6-3 to advance to the quarterfinals of the Dubai Duty Free Tennis Championships on Wednesday. The 2022 champion, Rublev dealt with a spirited showing from the 2024 Dubai winner to continue his good form having reached the semifinals at the Qatar Open last week. Earlier, Canada’s top seed Felix Auger-Aliassime recovered from a shaky beginning to beat French qualifier Giovanni Mpetshi in