The reigning US Open champion Stan Wawrinka has joined the growing list of star-names that will compete for the title at the Mutua Charity Tie Break Tens Madrid event on Thursday 4th May.

Wawrinka will take on World No. 4 Kei Nishikori, the 2013 Roland Garros finalist David Ferrer, Feliciano Lopez, the 2011 Australian Open semi finalist Fernando Verdasco and Lucas Pouille – the 23-year-old Frenchman who beat Rafael Nadal at the US Open last year. There are still two more players to be announced in the men’s field.

‘This is going to be a really exciting night of tennis with some great players and a format that will create of lot of pressure moments,” said Wawrinka. “There is nothing in the sport like the feeling of a tie-break – both to play and to watch – and so I am very much looking forward to Tie Break Tens in Madrid.’

A women’s event will run alongside the men’s event, with French Open champion Garbine Muguruza, former World No.1 Maria Sharapova, Olympic gold-medalist Monica Puig and World No.5 Simona Halep in action.

The tournament will feature a knock-out format of quarterfinals, semifinals and final, with each match taking the form of a first-to-ten point tie-break.

Each event will award a winner-take-all prize of $200,000, with $100,000 going to the Mutua charity against domestic violence.

The tournament, which will be held in the Caja Mágica, will be Broadcast live on Teledeporte TVE in Spain.

Mutua Charity Tie Break Tens Madrid, against domestic violence

Play begins: 19:30 (doors open at 18:30)

Players: two draws of 8 players

ATP players confirmed to-date: Stan Wawrinka, Kei Nishikori, Feliciano López, Grigor Dimitrov, David Ferrer and Fernando Verdasco.

WTA players confirmed to-date: Garbiñe Muguruza, Maria Sharapova, Simona Halep and Mónica Puig.

Format: Quarter-finals, semi-finals and final.

Prize Money: $200,000 for the champions, $100,000 to be donated to charity organizations working against domestic  violence.

TV: The tournament will be broadcast live on Spanish television via Teleporte.

Web: www.tiebreaktens.com

Ticket sales: www.entradas.com

Twitter: @TieBreakTens

Facebook: http://facebook.com/tiebreaktens

Media Accreditation: https://desarrollo.mutuamadridopen.com/en/press-credentials/