ATP Tour on Twitter: "Happy Birthday Ivan Lendl! 🎉 What's your favourite memory of the tennis legend? https://t.co/Sl9yMIaxlx" / Twitter
![London, UK. 14th Nov 2018. Alexander Zverev (Germany) talks to coach Ivan Lendl in training during day four the second round robin match at the Nitto ATP Finals London at the O2, London, UK. 14th Nov 2018. Alexander Zverev (Germany) talks to coach Ivan Lendl in training during day four the second round robin match at the Nitto ATP Finals London at the O2,](https://c8.alamy.com/comp/R1RKE4/london-uk-14th-nov-2018-alexander-zverev-germany-talks-to-coach-ivan-lendl-in-training-during-day-four-the-second-round-robin-match-at-the-nitto-atp-finals-london-at-the-o2-london-england-on-14-november-2018-photo-by-andy-rowland-credit-andrew-rowlandalamy-live-news-R1RKE4.jpg)
London, UK. 14th Nov 2018. Alexander Zverev (Germany) talks to coach Ivan Lendl in training during day four the second round robin match at the Nitto ATP Finals London at the O2,
![Ivan Lendl (coach of Alexander Zverev (Germany)) during the Nitto ATP Tennis Herren World Finals London Ivan Lendl (coach of Alexander Zverev (Germany)) during the Nitto ATP Tennis Herren World Finals London](https://www.imago-images.com/bild/sp/0037475737/w.jpg)