Kathmandu. After 99 weeks, a new world number one is emerging in women's tennis, and it is – Elena Rybakina.By defeating China's Zheng Qinwen in the US Open quarterfinals, Rybakina has confirmed she will replace Aryna Sabalenka at the top of the world rankings from Monday.Despite losing a set for the first time in the tournament, Rybakina made a strong comeback, saved a break point in the deciding set, and secured a 3-6, 6-1, 6-4 victory.She becomes the first Kazakhstani player (male or female) to reach the top spot in singles rankings.Rybakina, who has been a strong contender against Sabalenka...