Croatia's Borna Coric reacts during the Davis Cup World Group first round between Belgium and Croatia, on March 6, 2016, in Angleur, Liege. / AFP / Belga / BENOIT DOPPAGNE / Belgium OUT (Photo credit should read BENOIT DOPPAGNE/AFP via Getty Images)
Croatia's Borna Coric reacts during the Davis Cup World Group first round between Belgium and Croatia, on March 6, 2016, in Angleur, Liege. / AFP / Belga / BENOIT DOPPAGNE / Belgium OUT (Photo credit should read BENOIT DOPPAGNE/AFP via Getty Images)