Despite her opponent saving seven match points, No. 2 seed Madison Keys pushed past Caroline Dolehide 6-3, 7-6 (4) in an All-American second-round battle at the Credit One Charleston (S.C.) Open on Tuesday.

Dolehide saved four match points in the ninth game of the second set and two more in the 10th to force a 5-5 tie. She saved one more in the tiebreaker before Keys, the 2019 Charleston champion, put the match away.

Defending champion Danielle Collins, the No. 7 seed, also advanced out of the second round, logging 26 winners and five aces while beating fellow American Robin Montgomery 6-3, 6-1. In the nightcap, No. 8 seed Amanda Anisimova cruised past Russia’s Veronika Kudermetova 6-2, 6-2 to reach the third round.

The remainder of the day’s action consisted of first-round matches, won by Americans Sofia Kenin, Hailey Baptiste, Louisa Chirico, Ann Li and Lauren Davis; China’s Shuai Zhang; Maria Sakkari of Greece; and Iryna Shymanovich of Belarus.

Copa Colsanitas Zurich

No. 3 seed Alycia Parks and No. 4 Emiliana Arango were shown the door in the first round in Bogota, Colombia.

Iva Jovic, 17, upset fellow American Parks 6-1, 6-4, while Romania’s Patricia Maria Tig beat Colombia’s Arango 6-3, 6-3. No. 1 seed Marie Bouzkova of the Czech Republic also had a scare before putting away Serbia’s Aleksandra Krunic 6-0, 3-6, 6-3, while No. 2 seed Camila Osorio of Colombia took just 45 minutes to defeat Mariana Isabel Higuita Barraza 6-0, 6-1.

Other winners in the rain-delayed first round included No. 6 seed Tatjana Maria of Germany, Croatian Lea Boskovic, Raluka Serban of Cyprus, Katarzyna Kawa of Poland and Americans Julieta Pareja, Emina Bektas and Hanna Chang. Moving on after nighttime action were No. 8 seed Cristina Bucsa of Spain, France’s Leolia Jeanjean and Argentina’s Julia Riera.

–Field Level Media