3 of the last 5 Slams (after Serena Williams‘ return to the Tour) brought up always issues and incidents:
2018 Roland Garros – walkover before the match vs Maria Sharapova (catsuit case)
2018 Wimbledon – lost vs Angelique Kerber in the Final
2018 US Open – lost vs Naomi Osaka in the Final (Carlos Ramos case)
2019 Australian Open – lost vs Karolina Pliskova in QF after leading 5-1 wasting 4 matchpoints
2019 Roland Garros – lost vs Sofia Kenin in the 3rd round (Dominic Thiem case).