She tested positive for the banned substance TMZ in an out-of-competition sample last August
The world anti-doping agency won't appeal against the one-month suspension given to five-time Grand Slam champion Iga Swiatek.
She tested positive for the banned substance TMZ in an out-of-competition sample last August.
WADA says it accepts the International Tennis Integrity Agency's findings that the failed drugs test was a result of contamination.
Meanwhile, Swiatek was on court earlier beating Germany's Eva Lyse in straight sets to reach the quarter-finals of the Australian Open.
She will be joined by Elena Svitolina, Madison Keys and Emma Navarro who all won their last 16 clashes.

New York City Defender Kevin O'Toole In Ireland Squad For Final World Cup Qualifiers
The Ireland Team Have Been Named For Their Game Against Japan
Thursday Morning Sports Update
Tipperary Have Seven Players Included On This Year's PwC Hurling All-Star Team
Ellistown's Michael Noonan Scores 1 of 4 Goals To Beat Panama In The Under-17 World Cup Campaign
Ireland U17's Make History As They Play In Today's FIFA U17 World Cup
Wednesday Morning Sports Update
Kildare Primary Schools Soccer Finals Results