PRAGUE, CZECH REPUBLIC – SEPTEMBER 23: Tomas Berdych of Team Europe looks dejected after losing his singles match against Nick Kyrgios of Team World on Day 2 of the Laver Cup on September 23, 2017 in Prague, Czech Republic. The Laver Cup consists of six European players competing against their counterparts from the rest of the World. Europe will be captained by Bjorn Borg and John McEnroe will captain the Rest of the World team. The event runs from 22-24 September. (Photo by Clive Brunskill/Getty Images for Laver Cup)