In the match between Rahimova Kamilla and Montgomery Robin, the American tennis player is preferable. On grass courts, Montgomery performs more confidently than the Russian player, which can be a key advantage. Additionally, Robin has a more powerful and consistent serve, which contributes to her successful play on this surface. Furthermore, considering the personal rivalry between the players and Robin's desire to avenge a previous loss, one can expect her to play more aggressively and be motivated. Thus, Montgomery Robin is likely to win this match.