Daniil Medvedev beat fellow former world number one Andy Murray 6-4, 6-4 in the Qatar Open final on Saturday to win his second ATP title in a week.The 27-year-old world number eight, who won in Rotterdam seven days earlier, convincingly ended his 35-year-old opponent's comeback heroics that saw Murray fight four three-set battles and overcome eight match points to reach the final in Doha.Medvedev broke Murray's first serve in each set as he remained unbeaten in three encounters between the two.BACK-TO-BACK ??@DaniilMedwed takes home his second straight title as he defeats Murray 6-4 6-4 in Doha ??#QEMO2023 pic.twitter.com/RTxadennFR Krejcikova stuns Swiatek to take Dubai title Meanwhile on the WTA Tour, Barbora Krejcikova defeated world number one Iga Swiatek 6-4, 6-2 to claim the Dubai title on Saturday.For former French Open champion Krejcikova, ranked 30 in the world, it was a sixth career title.The 27-year-old Czech had also defeated second-ranked Australian Open winner Aryna Sabalenka in the quarter-finals and world number three Jessica Pegula in the semi-finals.Swiatek won the title in Qatar last weekend and arrived in Saturday's final having dropped just 14 games in six matches in the Gulf.Her first-ever Hologic WTA Tour 1000 title!!!???? @BKrejcikova claims the @DDFTennis crown with a 6-4, 6-2 defeat over [1] Swiatek ??#DDFTennis pic.twitter.com/gLZvf0ImyO