Tsvetana Pironkova will get another chance to upset Serena Williams at a grand slam after both triumphed in Paris on Monday.
Naomi Osaka returned to the US Open quarter-finals for the first time since winning in 2018, while Shelby Rogers won a stunning match.
Naomi Osaka was pushed before getting past Marta Kostyuk in the US Open third round.
Runner-up in 2016, Karolina Pliskova made a second-round exit at the US Open.
Naomi Osaka made a winning start at Flushing Meadows, where Karolina Pliskova triumphed and Coco Gauff was eliminated.
Torben Beltz helped Angelique Kerber to her first two major triumphs and will now aim to relaunch the German's stuttering career.
The Madrid Open Virtual Pro got underway on Monday, with Rafael Nadal and Andy Murray in action.
Tennis stars including Roger Federer have reacted with dismay to the news that Wimbledon has been cancelled for 2020.
Bekas juara, Simona Halep, dan naib juara tahun lalu, Angelique Kerber, telah terkeluar daripada saingan tenis Indian Wells Masters.
Simona Halep and Angelique Kerber will miss the upcoming tournament through injury.