When did Strýcová first become world No. 1 in doubles?
2017
July 2018
July 2019
2020
Answer
Strýcová first became world No. 1 in doubles in July 2019. She achieved this ranking after winning the Wimbledon doubles title with Hsieh Su-wei. This was her first Grand Slam doubles title, and it helped her to reach the top of the rankings.