Hibino upsets the defending champion Krejcikova in Prague

Japanese lucky loser Nao Hibino advanced to the last eight of the Prague Open by winning against the defending champion Barbora Krejcikova 3-6, 7-6 (5), 6-3 at TK Sparta Praha on Thursday.

Hibino, ranked No 251, will face the winner of the match between Frenchwoman Alize Cornet, the No 5 seed, and Czech wildcard Linda Noskova next.

In the previous round, the Japanese defeated Romanian Mihaela Buzarnescu (6-2, 6-2).

Krejcikova, ranked No 18, beat Russian Anna Blinkova (6-3, 6-1) in the previous round.

Prague WTA 250, other second-round matches (TK Sparta Praha, hard, USD 251.750, most recent results first):

• Alize Cornet vs. Linda Noskova
• Anett Kontaveit (1) beat Lucie Havlickova (WC): 6-4, 6-3
• Anastasia Potapova (7) beat Lin Zhu: 6-4, 7-6 (8)
• Oksana Selekhmeteva (Q) beat Chloe Paquet: 6-4, 1-6, 6-3
• Marie Bouzkova (8) beat Dominika Salkova (Q): 6-1, 6-2
• Qiang Wang (Q) beat Dalila Jakupovic (Q): 6-3, 6-1
• Magda Linette beat Viktoriya Tomova: 6-3, 6-3