Karolina Pliskova maintained her superb form with a comfortable straight sets victory over Kerber in the Nature Valley International final.
Karolina Pliskova thrashed Kiki Bertens in Eastbourne to gain revenge for the Dutchwoman's defeat of her at Wimbledon last year.
Kiki Bertens will play Karolina Pliskova in the semi-finals at Eastbourne after she beat Aryna Sabalenka for the fourth time in a row.
Angelique Kerber played some superb tennis to beat Simona Halep in a high-quality quarter-final in Eastbourne.
Simona Halep talked about her desire to improve on grass, her change in perspective and her matches at Eastbourne.
Karolina Pliskova talked about her form on grass, her confidence on court and her improved fortunes since she hired Conchita Martinez.
Ons Jabeur and Alize Cornet will meet in the quarter-finals of the Nature Valley International after an extraordinary sequence of events.
Simona Halep made an ideal start to her grass-court season by crushing Hsieh Su-Wei 6-2 6-0 in the second round in Eastbourne.
Elina Svitolina suffered her fifth loss in seven matches since her return to the WTA tour following a knee injury when she lost to Alize Cornet.
Caroline Wozniacki started her bid for a third title in Eastbourne with a win, while Pliskova, Ostapenko and Vondrousova also secured victories.