The Czech Republic has beaten Germany to qualify for the Davis Cup quarter-finals despite a retirement in the fourth round by Tomas Berdych.
Lukas Rosol sealed the match-up with a straight sets victory against Alexander Zverev.
Berdych was trailing by two sets against Philipp Kohlschreiber before he retired.
The retirement levelled the match-up at 2-2 and left a final decisive round between Rosol and Zverev.
Rosol, beat 58th ranked Zverev 6-2 6-3 6-1.
Great Britain also advanced to the quarter-finals of the competition after Andy Murray overcame Japan’s Kei Nishikori in a five-set marathon in Birmingham.
The hosts and reigning champions led 2-1 heading into the fourth rubber but the British no 1 got the job done with a match to spare.
Murray wrapped up a 7-5 7-6 3-6 4-6 6-3 result against Japan’s top representative, Nishikori.
Argentina also clinched a quarter-final spot in the Davis Cup after Leonardo Mayer beat Poland’s Michal Przysiezny to give them an unassailable 3-1 lead.
Mayer lost the first set in a tie-breaker before winning the second, which also went to a tie-break.
The world number 41 then took the next two sets more comfortably winning 6-7 7-6 6-2 6-3.
The South Americans will now face Italy in the next round.
Serbia beat Kazakhstan 3-2 in their Davis Cup first-round tie in Belgrade to set up a mouth-watering quarter-final clash with holders Britain in July.
World number one Novak Djokovic overcame fatigue to beat Mikhail Kukushkin 6-7 7-6 4-6 6-3 6-2 in an absorbing five-hour contest before Viktor Troicki completed Serbia’s comeback with a 6-2 6-3 6-4 win over Aleksandr Nedovyesov.
Troicki, who was beaten by Kukushin, made light work of Nedovyesov in a straight-sets win.
The world number 23 was mobbed by the Serbian team after Nedovyesov sent a long forehand behind the baseline.