She was also an integral member of the Czech Republic's national team and helped her country to win five titles at the Fed Cup (now Billie Jean King Cup) between 2011 and 2016, in addition to winning two Olympic medals in both women's doubles with Andrea Sestini Hlaváčková in 2012 and in mixed doubles with Radek Štěpánek in 2016.

Five years later, she made her breakthrough at the Grand Slam tournaments when she won her first of two women's doubles major titles at the 2011 French Open with Hlaváčková.

As qualifiers, she reached the third round of doubles competition with Hana Šromová at the 2006 Wimbledon Championships, then lost to fifth seeds Meghann Shaughnessy and Anna-Lena Grönefeld.

En route, they defeated 12th-seeds Svetlana Kuznetsova and Amélie Mauresmo, the previous year's Wimbledon runner-ups by walkover.

Later that year, Hradecká and Voráčová won at Bad Gastein, beating Ágnes Szávay and Vladimíra Uhlířová.

She paired with Andrea Hlaváčková to win her first Grand Slam title at the French Open, defeating Sania Mirza and Elena Vesnina in the final.

Hradecká reached the 2016 Australian Open final with Andrea Hlaváčková, losing to Martina Hingis and Sania Mirza.

[4] Only main-draw results in WTA Tour, Grand Slam tournaments, Fed Cup/Billie Jean King Cup and Olympic Games are included in win–loss records.