Auckland Open: Keys makes quarter-finals, faces Tauson next
The top-seeded American won against Jaqueline Cristian on Thursday

American Madison Keys, the top seed, defeated Romanian Jaqueline Cristian 6-1, 6-2 to advance to the last eight of the Auckland Open at the ASB Tennis Arena on Thursday.
Keys, ranked No 21, will play Dane Clara Tauson, the No 5 seed, next.
In the previous round of the tournament, the American won against Italian Lucia Bronzetti (6-4, 6-4).
Cristian, ranked No 85, benefited from the retirement of Ukrainian Yuliia Starodubtseva (6-3, 2-0) during the first round of the tournament.
Auckland WTA 250, other second-round results (ASB Tennis Arena, hard, USD 275,094):
- Katie Volynets (8) beat Ann Li: 6-4, 6-3
- Clara Tauson beat Sofia Kenin: 4-6, 7-6 (7), 7-6 (3)
- Naomi Osaka (7) beat Julia Grabher: 7-5, 6-3
- Bernarda Pera beat Rebecca Marino: 7-6 (2), 6-4
- Hailey Baptiste vs. Jodie Burrage
- Greet Minnen vs. Alycia Parks
- Nao Hibino vs. Robin Montgomery