In fact, both players have saved match points over these past two weeks, and the victor will become just the seventh player in the Open era to win an Aussie Open title after saving match point. She expects to be ready for the next three Grand Slam tournaments.
She smiled and said, "A lot, eh? Just the fact that I won this match and I can play the final again". "I played really well".
Halep has also carried an ankle injury throughout the tournament.
She took advantage of Merten's erratic play, with the world number 37 making 34 unforced errors.
It wasn't too different for Kerber, who was the only major victor still in the women's draw after she beat Maria Sharapova in the third round.
The Halep-Davis encounter stretched nearly three-and-three-quarter hours, with their 48 games played matching the Melbourne Park record for a women's match.
"I had two moments where I felt the match was over", Halep said. It was out. And so was Dimitrov, who lost a five-set semifinal here past year to Nadal. She added, though, that being top 20 is not her goal. "I'm shaking now. I'm really emotional to win this match", Halep said. It's just one or two points which decides the match. Suarez Navarro had to save one match point in the 10th game before Wozniacki was outclassed in the tiebreaker.
From then on, both women increased their tennis levels and Mertens managed to save a set point on serve at 2-5 down to put some pressure on the Dane in serving for the set.
After drilling a forehand into the net and coming up short in a game in which she served for the match, Angelique Kerber dropped to her knees in sheer exhaustion. Halep has won 12 straight matches on hard court.
Wozniacki, who secured her place in Saturday's final by beating Belgium's Elise Mertens 6-3, 7-6, lost both her previous Grand Slam finals at the US Open, to Kim Clijsters in 2009 and to Serena Williams five years later.
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And here's what Halep's gut check guaranteed tennis fans: a high-stakes matchup against Caroline Wozniacki, who earlier in the day beat Elise Mertens 6-3, 7-6 (2). Two games later she had to save two set points before forcing a tie-break, which she eventually won 7-2.
After a comfortable first set, the world number two saved two set points in the second, before winning the tiebreak to take the match in one hour and 40 minutes. She's a great player, she has a good level, I couldn't match it because physically it was very tough for me.
"I tried to stay calm and I was lucky to get a win".
Svitolina, 23, could have attained the No. 1 ranking after the Australian Open if she won and other results went her way.
The Danish player would also move a step closer to regaining the No. 1 ranking if she reaches the final.
"She seems very strong mentally, moves well and doesn't have any weaknesses", 18-time major victor Martina Navratilova said.
Now, either Halep and Wozniacki is assured of winning her first ever Grand Slam title.
Mertens' run is also testament to the unpredictability and newfound depth in the women's game, which has seen newcomers such as Jelena Ostapenko and Sloane Stephens come out of nowhere to win majors in the a year ago.
No. 1-ranked Simona Halep takes on two-time major victor Angelique Kerber in the second semifinal.