Nadal, Kvitova reaches second round at Wimbledon

Spain's Rafael Nadal celebrates after winning his Men's Singles Match against Australia's John Millman on the opening day at the Wimbledon Tennis Championships in London Monday, July 3, 2017. [Photo: AP/Tim Ireland]

Spain's Rafael Nadal has reached the second round of the Wimbledon, beating Australia's John Millman in three sets.

Britain's Andy Murray returns to Kazakhstan's Alexander Bublik during their Men's Singles Match on day one at the Wimbledon Tennis Championships in London Monday, July 3, 2017. [Photo: AP/Kirsty Wigglesworth]

Defending champions Andy Murray is also through, knocking out Kazakhstan's Alexander Bublik in a three-set battle.

Czech Republic's Petra Kvitova returns to Sweden's Johanna Larsson during their Women's Singles Match on the opening day at the Wimbledon Tennis Championships in London Monday, July 3, 2017. [Photo: AP/Kirsty Wigglesworth]

On the women's side, Czech Republic's Petra Kvitova has booked a place in the second round of the tournament after taking out Sweden's Johanna Larsson in two sets.

Other players like Simona Halep, Wang Qiang and Kristyna Pliskova have also progressed.