![Sergey Bubka on Twitter: "Pleasant meeting with well-known tennis players Lesya Tsurenko, Olga Savchuk and Alexander Zverev. @WTA @ITF_Tennis https://t.co/VEnvZyKbw0" / Twitter Sergey Bubka on Twitter: "Pleasant meeting with well-known tennis players Lesya Tsurenko, Olga Savchuk and Alexander Zverev. @WTA @ITF_Tennis https://t.co/VEnvZyKbw0" / Twitter](https://pbs.twimg.com/media/D_YO1A_XUAAQH43.jpg)
Sergey Bubka on Twitter: "Pleasant meeting with well-known tennis players Lesya Tsurenko, Olga Savchuk and Alexander Zverev. @WTA @ITF_Tennis https://t.co/VEnvZyKbw0" / Twitter
Tennis professional Sergei Bubka survives four-storey fall | news.com.au — Australia's leading news site
![Melbourne, Australia. 19th Jan, 2020. Alexander Zverev senior (l-r), Sergej Bubka junior and Alexander Zverev from Germany during a practice session at the 2020 Australian Open Grand Slam tennis tournament in Melbourne, Melbourne, Australia. 19th Jan, 2020. Alexander Zverev senior (l-r), Sergej Bubka junior and Alexander Zverev from Germany during a practice session at the 2020 Australian Open Grand Slam tennis tournament in Melbourne,](https://c8.alamy.com/comp/2ANT8AY/melbourne-australia-19th-jan-2020-alexander-zverev-senior-l-r-sergej-bubka-junior-and-alexander-zverev-from-germany-during-a-practice-session-at-the-2020-australian-open-grand-slam-tennis-tournament-in-melbourne-australia-frank-molteralamy-live-news-2ANT8AY.jpg)
Melbourne, Australia. 19th Jan, 2020. Alexander Zverev senior (l-r), Sergej Bubka junior and Alexander Zverev from Germany during a practice session at the 2020 Australian Open Grand Slam tennis tournament in Melbourne,
![Plenty of other examples, see Rafael Nadal or the Williams sisters" - Kiefer on why Alexander Zverev can succeed while working with family Plenty of other examples, see Rafael Nadal or the Williams sisters" - Kiefer on why Alexander Zverev can succeed while working with family](https://staticg.sportskeeda.com/editor/2021/01/d054f-16112026868158-800.jpg)