"It was one of the toughest first-round matches I have ever played", she admitted afterwards.
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Safarova earlier survived nine match points in her opener against Yanina Wickmayer, the Czech left-hander finally progressing 3-6 7-6 (9-7) 6-1.
Now, of course, things have changed - both on and off the court. "They are tall and hit the ball just as hard as the Williams sisters, if not harder".
Serena Williams' boyfriend Alexis Ohanian in the players' box.
The German was coasting in her opening tie against Lesia Tsurenko, but eventually had to come through an uncomfortable three-set encounter.
Konta was a surprise semifinalist at last year's Australian Open, kick-starting a strong 2016 season which saw her break into the top 10 by the end of last year.
At 36, Williams is the oldest woman in the singles draw at Melbourne Park and seeded 13th for her open era record-extending 73rd appearance at a grand slam.
Pliskova is feeling more confident this time.
After a confused Williams didn't register, the reporter asked her favourite George Michael song, which she said was Faith.
Australian Open: Venus Williams advances to third round at Melbourne Park
"It's a new tournament, we are starting from zero here, I have to be ready from the first round again".
Russian player Elena Vesnina, seeded 14th, also won 7-5, 6-2 in her meeting with Romania's Ana Bogdan. "So it's great", she said, according to USA Today. I made a few errors on some key points, but for the most part, I still was going for everything and I was able to close it out.
She went on a roll, start of the second set, won five games, looked fairly invincible at that time.
The fifth-seeded Pliskova, who beat Serena Williams in the semifinals at Flushing Meadows a year ago before losing the U.S. Open final to Angelique Kerber, took a 4-1 first-set lead in under 20 minutes.
Milos Raonic loped into the second round with a comfortable 6-3 6-4 6-2 victory over Germany's Dustin Brown.
Murray was scheduled to play the last match on Wednesday night at Rod Laver. His best result so far has been a run to the Wimbledon final past year.
Seven U.S. men who are 20 years old or younger entered this year's Aussie Open draw.
However, Russian-born Gavrilova, a former number one-ranked junior player who became an Australian citizen in 2015, battled back well to level the match at 1-1.
"If I can play the way I've been practising, it will be fine".
Trump's Pentagon pick says United States must be ready to confront Russian Federation
Following the Senate Armed Services Committee's bipartisan 24-3 vote, the full-chamber voted 81-17 vote to in favor of the waiver. Several Democrats indicated that they would vote against the legislation because they had not heard testimony from Mattis.