Two typical doubles players vs. two typical single player. Carter and Stefani wants to win the tournamen since they are unbeaten in USA this year. They won at Newport beach at the beginning of the year and Lexington last week. They don't have a single career, so they need to go through from here. For Siegemund and Rybakina is just a practice to US Open. They need match time before the US Open, that's why they started to play here in doubles as well. Rybakina has two doubles at the whole year while Siegemund changed her partner after every tournament. Should win this match for the more experienced doubles players - clearly in two sets.