Sports Buckle up! Serena Williams and Victoria Azarenka promise wild ride in US Open semifinal September 10, 2020September 10, 2020Wayne Coffey, Special for USA TODAYComments Off on Buckle up! Serena Williams and Victoria Azarenka promise wild ride in US Open semifinal It's a battle of two mothers - one in search of her record-tying 24th Grand Slam, the other climbing back seven years after her last Slam title.