Two WTA titles, back to top 10, failed doping test Halep started her season in Australia, where she won her 23rd title at the 2022 Melbourne Summer Set 1 and first in more than a year defeating Destanee Aiava, Elena-Gabriela Ruse, Viktorija Golubic, Zheng Qinwen and Veronika Kudermetova in the final, in straight sets. At the Australian Open, she defeated Magdalena Fręch, Beatriz Haddad Maia and Danka Kovinić, in straight sets, but lost in the fourth round in three sets to Alizé Cornet. In February, Halep entered the Dubai Open where she defeated Alison Riske, Elena-Gabriela Ruse and Ons Jabeur in straight sets, but lost in the semifinal to Jeļena Ostapenko in three. The Qatar Open resulted in a first-round loss to Caroline Garcia, in straight sets. In March at the Indian Wells Open, she defeated Ekaterina Alexandrova, Coco Gauff, Sorana Cîrstea and Petra Martić, but lost in the semifinal to Iga Świątek. Halep then announced Patrick Mouratoglou as her full-time coach. The next event for her was the Madrid Open, where she defeated Zhang Shuai, Paula Badosa and Coco Gauff, but lost in quarterfinals, to Ons Jabeur. In May at the Italian Open, she defeated Alizé Cornet in first round, but lost in second round to Danielle Collins. At the French Open, Halep lost in the second round to teenager Zheng Qinwen. After winning the first set, Halep suffered a panic attack and could not focus on the match. At the Birmingham Classic, Halep defeated Lesia Tsurenko, Harriet Dart, Katie Boulter, but lost her semifinal match to Haddad Maia, in three sets. Near the end of June, she made it to the semifinals of the Bad Homburg Open but was forced to withdraw from her match against Bianca Andreescu due to a neck injury. Halep had defeated Kateřina Siniaková, Tamara Zidanšek, and Amanda Anisimova en route. At Wimbledon, Halep reached the semifinals without dropping a set, beating Karolína Muchová, Kirsten Flipkens, Magdalena Fręch, fourth seed Paula Badosa, and 20th seed Amanda Anisimova, but lost to the eventual champion, Elena Rybakina, in the semifinals. At the Canadian Open, she reached the semifinals defeating Coco Gauff in straight sets. She was through to her 29th career semifinal at a WTA 1000 event, the most of all time, ahead of Serena Williams (26), Agnieszka Radwańska (23), Victoria Azarenka (22) and Maria Sharapova (22) and is 29–9 all-time in quarterfinals at WTA 1000