Each group contained two seeded teams and two unseeded teams. In the semifinals, Wozniacki came up against unseeded Peng Shuai. Tomic then entered the Shanghai Masters where despite being unseeded, he reached the quarterfinals. This set up a semifinal match against the unseeded Yanina Wickmayer which Kerber won. In the third round she lost to unseeded and eventual semifinalist Zheng Jie. She defeated unseeded Russian Olga Puchkova in the final. At Wimbledon, Peng was unseeded and defeated US teenager Alexa Glatch in three sets. However, she was upset herself in the fourth round by the unseeded Tunisian Ons Jabeur. However, he was upset in the third round by unseeded American Robby Ginepri. Kuznetsova then entered Indian Wells as an unseeded player. In the final, he was upset by unseeded Daniil Medvedev. Saina was unseeded at the 2018 Asian Games. Azarenka was unseeded at the Aegon International. Vesnina next played at the Toray Pan Pacific Open where she was unseeded in singles. She lost to unseeded Bulgarian Tsvetana Pironkova in the second round.