Elena Rybakina will finish top of the group at the 2025 WTA Finals. Madison Keys has been eliminated, while Iga Swiatek and Amanda Anisimova will clash to decide who finishes second and joins the Kazakh in the semis. Who will triumph in the final set of matches in the Serena Williams Group?WTA Finals Day 5 PredictionsElena Rybakina vs Madison KeysHead-to-head: Rybakina 3-3 KeysThe last player to qualify for this year’s WTA Finals is the first to reach the semifinals. Elena Rybakina delivered an exceptional comeback victory to end her recent losing streak against Iga Swiatek. She was also confirmed as the group winner after Amanda Anisimova’s win over Madison Keys. After losing a close first set, nobody could have predicted the manner in which Rybakina rallied to pick up her first win in five matches against the Pole. Rybakina dropped just one game in the next two sets and a huge part of that turnaround was her impeccable serve. She played better in every point and used the full width of the court to stretch Swiatek.With her qualification secured, it’s easy for Rybakina to take her foot off the pedal, but she’ll also be aware of the danger of lost momentum in a dead rubber. In her last match, Keys signaled she was feeling unwell and avoided shaking hands with Anisimova. If the American is not fit to play, then Mirra Andreeva could be called to step in. Still, Rybakina has played flawless tennis in this group and she’ll be determined to finish the round robin stage with a perfect record.Prediction: Rybakina in 2Iga Swiatek vs Amanda AnisimovaHead-to-head: Swiatek 1-1 AnisimovaWhen Swiatek won the first set against Rybakina, one of the commentators was quick to remind viewers that the six-time Grand Slam champion had won 54 of 55 matches in 2025. The only match Swiatek lost after taking the first set was in the Australian Open semifinal against Keys and she had a match point. That tells you the kind of damage Rybakina did the other evening.Anisimova, meanwhile, picked up her first-ever win at the WTA Finals, beating Australian Open champion Keys. Not many players would crave a meeting against the same opponent after having just lost 6-0 6-0 in their last head-to-head collision. But for Anisimova, that US Open match was a shot at redemption, and she absolutely needed that moment to shake off that stinging feeling. Sustaining that measured power with every stroke against Swiatek will be a real challenge. Even with her belief repaired, Anisimova will likely fall short against Swiatek’s extraordinary defense.Prediction: Swiatek in 3
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