Who has won all 4 Grand Slams twice?

Calendar Year Grand Slam (four majors in one calendar year) Note: Laver is the only player ever to achieve this twice.

Which player has won all 4 Grand Slams?

Combining the Grand Slam and the non-calendar-year Grand Slam, only eight singles players on 11 occasions achieved the feat of being the reigning champion of all four majors, three men (Don Budge, Rod Laver, Novak Djokovic) and five women (Maureen Connolly, Margaret Court, Martina Navratilova, Steffi Graf, Serena …

What Grand Slam did Barbora Krejčíková win?

Barbora Krejčíková