My tennis reads of the week:

Ivo Karlovic is almost 40 years old. He just reached the ATP final in Pune, losing to Kevin Anderson (Tennisabstract.com)

Novak Djokovic went back his old serve and became No. 1 again(Fivethirtyeight.com)

Andy Murray undergoes hip surgery to save his career (ESPN)

Chinese teenage star fires coach over dispute with his mom (Yahoo Sports)

Athletes like Lebron James and Frances Tiafoe are using pickle juice to boost performance (BBC)

Behind the racket smashing on-court tennis player, a calm solitary man – Meet Benoît Paire (Longreads)

Davis Cup format changes have riled many players and fans, including Lleyton Hewitt (Yahoo Sports) 

Here are my morning tennis reads: 

Amelie Mauresmo helps Lucas Pouille to Australian Open semis (BBC).

Two years an attack by a knife-wielding home intruder Petra Kvitova is in a grand slam final again (Channel News Asia).

Spanish player Pablo Carreño Busta has an epic meltdown on court after losing a five hour match (People)

At 45, Leander Paes is not slowing down (Eurosport).

Can you predict your opponent’s next shot? This algorithm can (Tech Xplore)