Wikipedia - Lucie Šafářová
Lucie Šafářová (Czech pronunciation: [ˈlutsɪjɛ ˈʃafaːr̝ovaː]; born 4 February 1987) is a Czech former professional tennis player who was ranked world No. 1 in doubles, and No. 5 in singles.
She is a five-time Grand Slam champion in doubles, having won the 2015 Australian Open, 2015 French Open, 2016 US Open, 2017 Australian Open and 2017 French Open, all alongside Bethanie Mattek-Sands. Šafářová won 15 doubles titles on the WTA Tour, including five at Premier Mandatory/Premier 5-level, and also finished runner-up at the 2016 WTA Finals with Mattek-Sands. She became world No. 1 for the first time in August 2017, holding the top ranking for the next six weeks.
In singles, Šafářová won seven WTA Tour titles, most notably the 2015 Qatar Open, and reached her highest ranking of world No. 5 in September that year. She reached her first major singles final at the 2015 French Open, being defeated by world No. 1 Serena Williams. Šafářová also reached the semifinals at the 2014 Wimbledon Championships, and the quarterfinals at the 2007 Australian Open, qualifying for the WTA Finals for the first time in 2015.
She represented the Czech Republic in the Fed Cup from 2004 to 2019, and was a key part of the team which won the competition five times between 2011 and 2018. Šafářová also competed at the Summer Olympics on three occasions, winning a bronze medal in doubles at the 2016 Rio Games partnering Barbora Strýcová.