Beck, Errani move into second round in Bastad; Mattek-Sands tops Bertens
Shvedova retired with a back injury in the third set to give Barthel a 4-6, 6-3, 3-0 win.
Jul 19, 2016
Defending champion Kerber comes from behind to beat Beck at Porsche Grand Prix
In other action, Pliskova fired 16 aces to upset eighth-seeded Czech compatriot Safarova, 7-6 (4), 4-6, 7-5.
Apr 20, 2016