The result restored parity in the final-four match between Australia and Belgium after David Goffin had recorded a 6-7, 6-4, 6-3, 7-5 victory over Kyrgios' teammate John Millman. Australia will fancy their chances in the doubles, meaning that if Kyrgios can win his two singles matches, Australia will be moving on to the final.
Kyrgios battled back to keep alive his nation's hopes of first final appearance in the prestigious team event in 14 years, seeing off a determined Darcis in a five-set thriller to level the tie at 1-1.
Nick Kyrgios fired shots at fellow Australian Bernard Tomic, saying that his former Davis Cup team mate has "lost his way" and "doesn't make sense".
Nick Kyrgios prevailed in a thrilling, topsy-turvy encounter with Steve Darcis to level Australia's Davis Cup semi-final with Belgium at 1-1 after the first day of action.
"I was very lucky to do it at the Olympics past year and that was very special". This will be their first clash on red clay.
Should he lose, all attentions will switch to John Millman to get his country over the line against world No.77 Steve Darcis - who beat Carsten Ball in a similar situation seven years ago in a World Group playoff in Cairns.
The big boys took care of business on the first day of Davis Cup semifinal action in Brussels, Belgium.
Australia, the 28-time Davis Cup champions, travel to Brussels to take on Belgium, who are yet to win a Davis Cup title, although they were finalists in 2015.
But there was no doubting his commitment to the cause in the Belgian capital on Friday as he sent down 34 aces in a come-from-behind 6-3 3-6 6-7 (7-5) 6-1 6-2 win that silenced a partisan home crowd.
Delivering a fired-up front, Peers and Thompson played dynamic doubles dominating today's match from the start.
World No. 2 doubles standout Peers served out the second-set emphatically. Peers pumped an ace to seal a two-set lead.
"It allowed us to set the tone".
The ease of the pair's victory amid the red-hot cauldron of Davis Cup semifinal pressure, astonished the Aussies.
The captain has the option of switching players in the squad, but said it was unlikely he'll look to Thompson who has only spent 90 minutes on court. Kyrgios is 9-0 in sets this season during Davis Cup matches and has played a certain brand of tennis that many of his fans would like to see year round.
An injury-hampered Kyrgios bowed out of the opening round of the US Open with an assortment of fines, a smashed racket and a tantrum, while burnishing his reputation as the tour's most talented slacker.