LONDON—Czech Karolina Pliskova said she exceeded her own expectations by reaching her maiden Wimbledon final by beating Aryna Sabalenka on Thursday but that anything could happen when she faces world number one Ash Barty on Saturday. The 29-year-old former top-ranked player battled back from a set down to second seed Sabalanka to win 5–7 6–4 6–4, the first time in 10 years a player has done so in the women’s semi-finals at the All England Club. It was a battle of the six-feet tall big-hitters as the pair racked up 32 aces between them in a tight contest, smashing a Wimbledon record held by Serena Williams and Victoria Azarenka from 2012 when they hit a combined 25 aces. In the end, eighth seed Pliskova kept her cool to record her first win over the 23-year-old Belarusian and reach her first Grand Slam final since the 2016 U.S. Open. “I think …