On the road to the glory, the third-seeded beat Robin Haase of the Netherlands 5-7, 6-2, 6-2, Martin Klizan of Slovakia 6-4, 6-1, and Gael Monfils of France 6-2, 6-4.
Berdych was 3-5, 15-40 down on his own serve in the deciding set and staring elimination in the face but recovered to hold before breaking Krajinovic in each of his next two service games to advance to the semis.
The world no. 16 and 3rd seed Daniil Medvedev has become the fourth Sofia Open champion after a 6-4, 6-3 triumph over Marton Fucsovics in an hour and 21 minutes, lifting the fourth ATP title from the sixth final. Saturday's other semifinal sees Matteo Berrettini - a 4-6, 7-5, 6-4 victor over Fernando Verdasco - take on Marton Fucsovics, who benefitted from 2016 champion Roberto Bautista Agut's withdrawal due to illness.
"It was my biggest and best win in the Fed Cup and to win both rubbers against the Czech Republic means a lot to me because they have such a big history in this competition", Halep said after she had beaten Pliskova.
Australian Open semi-finalist Stefanos Tsitsipas was stunned in the quarter-finals of the Sofia Open on Friday, losing 6-3, 7-6 (7/5) to veteran Frenchman Gael Monfils.
United States team in Beijing for trade talks
Hua's warning came as both sides were in Beijing to prepare for a new round of talks this week. The operation was the second in the South China Sea reported by the US Navy this year.
"Like in the match against Karen, I was a set down and I tried to stay focused", said the 1.96m Italian, who turns 23 in April.
Berrettini's semi-final opponent is to be Hungarian Marton Fucsovics, who made it to the last four on his 27th birthday after fourth seed Roberto Bautista Agut, the Sofia Open victor in 2016, withdrew before the quarter-finals due to illness.
The two players were meeting for the first time on the ATP Tour and made it a contest to remember.
Berdych, who is unseeded at the tournament he won in 2012, then turned the match around.
The seventh seed overcame the world number 12 Tsitsipas, in straight sets in their quarter-final that was played Friday.
The Favourite won best British film on the night, while Rachel Weisz was named best supporting actress for the movie . Weisz and Stone are also in the running for Oscars in a proud year for the British film industry.
Le 32ème sommet de l'Union africaine s'est ouvert avec un changement à la tête de l'instance continentale suite à la fin du mandat du président rwandais, Paul Kagamé, qui a passé la main à l'Egytptien, Abdel Fattah al-Sissi.
Solskjaer is now preparing for the future as the Express suggest United are expected to be extremely active in the transfer market as they look to become genuine title challengers again and Sessegnon has emerged as a target.
The projections are based on the downward trajectory of the world's insect mass, which is thought to be falling by 2.5% per year. In ten years you will have a quarter less, in 50 years only half left and in 100 years you will have none.
The report released on Friday showed producers added seven oil rigs in the week to February 8, bringing the total count to 854. Concerns are also being raised about the sustainability of the OPEC-led supply cuts which include Russian Federation .
But he confirmed a meaningful vote on whether to accept or reject a revised deal might not happen until March. The backstop is the main obstacle to securing agreement on the terms of Britain's withdrawal from the EU.
Strong winds were expected, and officials warned that Sunday could be a "critical danger point" for the fire. Authorities have said they believe the original fire was caused by a spark from agricultural machinery.
Le bouton " réalité augmentée " a donc fait son apparition dans l'interface de l'application afin d'activer rapidement le mode AR. Dans un premier temps, cette nouvelle fonctionnalité sera disponible pour les personnes identifiées comme " guides locaux ".
La performance d'Alicia Keys a été l'un des moments forts de la cérémonie qui a aussi vu Michelle Obama faire une apparition surprise.
Juventus : c'est fait pour Ramsey ! (officiel)
Il a notamment contribué à la conquête de trois Coupes d'Angleterre et deux Community Shield. Il a disputé 256 rencontres en Premier League avec les Gunners pour qui il a inscrit 38 buts.
NASA seeks industry help for human lunar landers
The base would be used as a checkpoint between Earth and Mars while also allowing astronauts to study the moon in close detail. A key aspect of this proposed approach is to use the Gateway for roundtrip journeys to and from the surface of the Moon.
Death toll rises to 21 in Istanbul building collapse
So far, 14 people have been pulled alive from the wreckage of the building in Istanbul's mostly residential Kartal district. Environment Minister Murat Kurum, who accompanied Erdogan, said the block had housed 14 apartments and three businesses.
Paul Scholes appointed manager of Oldham
The former Premier League club are languishing in mid-table in League Two, the fourth tier of the English game. This will be the first senior managerial role of Scholes' career with a club he supported as a child.