She grew up without many black dolls to play with and wanted to make sure her daughter, Alexis Olympia, has one.
"I just tried to stay composed and it worked out well for me today", said cool 16th seed Raonic, who will now face Frenchman Lucas Pouille after he battled past Croat Borna Coric in four tough sets.
While disappointed, the 37-year-old was philosophical in defeat and pledged to regroup for another tilt at the French Open.
A defiant Serena Williams is adamant she'll eventually reel in Margaret Court's all-time record 24 grand slam singles titles despite blowing another golden opportunity at the Australian Open. The two are set to lock horns at the Rod Laver Arena in a few minutes.
Williams' reaction prompted a meme storm on Twitter. She still had a sizable lead.
Unseeded American Danielle Collins or two-time Wimbledon champion Petra Kvitova play the other semi-final.
Pliskova breezed by Garbine Muguruza to remain unbeaten in 2019, taking just an hour to see off the 18th-seeded Spaniard by a 6-3 6-1 scoreline. Pouille, who is coached by two-time major champion Amelie Mauresmo, had been 0-5 for his career at the Australian Open until last week.
Nishikori was treated for leg problems by a trainer.
Former world number one Pliskova has made the quarterfinals in her last two appearances at Melbourne Park and made the final at the US Open in 2016.
"She was killing me". I knew I'm going to have my chances.
Like Osaka, Pliskova will be playing in the last four here for the first time.
When my first book was published, she proudly told me she hadn't read it because she doesn't like "women's books.' And yet, this is a woman who reads a lot".
"I can't really say that it's incredibly painful as opposed to what can I do better". Williams then went up 5-3 before Halep got back a point.
Serena Williams' mother (back left) appeared unmoved by her daughter's on-court prowess at the Australian Open. Her opponent started walking to the net. "She literally lifted her game to a new level". She still had a sizable lead.
"I didn't do anything wrong. I think it's going to be the best comeback ever so far in my life".
"First of all, I always think she can win, and she will win. It just takes time".
Osaka will carry a 12-match Grand Slam winning streak into the semifinals.
For Pliskova, it is only her third semi-final at a major.
"I just had one goal, to try as hard I can and not get angry". So I'm not really satisfied.
"I think she just played well on my serve after that point".