Grand Slam champions Venus Williams and Petra Kvitova were among four wildcard entrants announced Wednesday for next month's ATP and WTA Indian Wells tennis tournament.

Numerous storylines from the world of tennis are in play, as the iconic Roland Garros welcomes the Olympics.

Venus Williams scored a straight sets upset of 16th seed Veroninka Kudermetova at the ATP/WTA Cincinnati Open on Monday

Novak Djokovic launched his bid for an eighth Wimbledon title on Monday with a 40th successive win on Centre Court while American stars Coco Gauff and Venus Williams were knocked out

Seven-time Grand Slam champion Williams produced a vintage performance in the opening round at Auckland last week, beating fellow American Katie Volynets 7-6 (7/4), 6-2. But she exited in the last 16 to China's Zhu Lin.

Venus Williams will roll back the years next month, with the 42-year-old accepting wildcards to play in the main draws of both the Australian Open and the Auckland WTA tournaments, it was announced Wednesday.

In a on-court interview, Serena Williams was seen crying and she credited her sister Venus for achieving massive success in the sport.

Serena and Venus Williams' glittering Grand Slam doubles career was brought to an abrupt end at the US Open on Thursday

The Williams sisters were a dominant force in Grand Slam doubles tennis, winning 14 titles as well as three Olympic gold medals

The US Tennis Association announced the recipients ahead of the August 29 start of the year's final Grand Slam tournament at New York