In the upcoming match between Avanesyan and Samsonova, the Russian tennis player Samsonova has a higher probability of winning. This is due to her success at Wimbledon, where she has already defeated Avanesyan with a score of 2-0. Samsonova has also demonstrated herself as a fighter in previous matches. All these factors indicate that the probability of Samsonova winning in this match is higher than that of Avanesyan.