Launches, campaigns and superheroes: the social round-up

What have the world’s best players been up to in the past 24 hours? Our social round-up will get you up to speed…

Borna Coric is marching on in Estoril:

So far, so good at this year's @EstorilOpen. Into doubles semis, first time in my career, with buddy Franko #Skugor pic.twitter.com/r9SZHfGOEw

— borna coric (@borna_coric) April 28, 2016

Where Benoit Paire is getting tricky:

???

A photo posted by Benoit Paire (@benpaire) on Apr 28, 2016 at 10:58am PDT

It is still snowing in Munich, giving Australian John Peers a career-first experience:

Happy with the win today under some tough conditions. 1st time I've played in snow ???? @BMWOpenbyFWUAG @henrikontinen pic.twitter.com/NZjbQWpy8K

— John Peers (@johnwpeers) April 28, 2016

Madrid Open defending champions Andy Murray and Petra Kvitova helped launched the 2016 tournament, just as qualifying is about to begin:

Opening the @MutuaMadridOpen at the beautiful @museothyssen with the great @andy_murray ???? #MMOPEN pic.twitter.com/IIVPVCaUdK

— Petra Kvitova (@Petra_Kvitova) April 28, 2016

Monica Puig is on her way – following a tough three-set quarterfinal loss in Prague:

Very postive week here in Prague! Now off to Madrid to play in less than 24hrs! #Grinding pic.twitter.com/kAc7kmFWt4

— Monica Puig (@MonicaAce93) April 28, 2016

Team Kei Nishikori does not have to worry about qualifying though. They have just arrived in the Spanish city – and haven’t packed lightly:

posted a new photo on the App https://t.co/V7JqgcRtHk
Arrived in Madrid for the @MutuaMadridOpen Nice to be back pic.twitter.com/CvzPmvsHo0

— Kei Nishikori (@keinishikori) April 28, 2016

Jelena Jankovic hit the practice court – and is posting about it in third-person, oh JJ:

JJ is back on court… #training #hard Happy to be playing again after a while… #madrid #spain ????

A video posted by Jelena Jankovic? (@jjelicious) on Apr 28, 2016 at 2:45am PDT

World No.1s doubles pair Martina Hingis and Sania Mirza went out for sushi:

it's sushi time with @MirzaSania pic.twitter.com/dUw4NEH6Cl

— Martina Hingis (@mhingis) April 28, 2016

While singles world No.1 Serena Williams is campaigning for Snapchat followers:

my snap : SerenaUnmatched

A photo posted by Serena Williams (@serenawilliams) on Apr 28, 2016 at 6:51am PDT

American Jack Sock has another sort of campaign on his mind:

“If elected president, I promise to always be reachable." ???? #NationalSuperheroDay #Sockin16 pic.twitter.com/9qWIJXqrJg

— Jack Sock (@JackSock) April 28, 2016

Happy #NationalSuperheroDay! Andrea Petkovic is celebrating “with” hers:

you guys! this is me. and this is cristiano. what can i say? HE’S LOVING IT?

A photo posted by @andreapetkovici on Apr 28, 2016 at 10:28am PDT