 MELBOURNE Reuters Karolina Pliskovas serve deserted her at the worst possible time as she fell to a 6-3 7-5 defeat by Magda Linette in the Australian Open quarter-finals on Wednesday but the Czech said she would take some positives from her run at Melbourne Park. The former world number one slipped into the second ... Tennis-Pliskova rues misfiring serve after Australian Open exit... 