![Daria Kasatkina of Russia talks to coach Carlos Martinez during practice at the 2019 China Open Premier Mandatory tennis tournament Stock Photo - Alamy Daria Kasatkina of Russia talks to coach Carlos Martinez during practice at the 2019 China Open Premier Mandatory tennis tournament Stock Photo - Alamy](https://c8.alamy.com/zooms/9/f03ad3cd7be948d0bbb934d5c25cae61/2cfndjn.jpg)
Daria Kasatkina of Russia talks to coach Carlos Martinez during practice at the 2019 China Open Premier Mandatory tennis tournament Stock Photo - Alamy
![Jimmie48 Photography on Twitter: "Daria Kasatkina's new coach Carlos Martinez during an interview in Eastbourne https://t.co/QfPIc6PWXi" / Twitter Jimmie48 Photography on Twitter: "Daria Kasatkina's new coach Carlos Martinez during an interview in Eastbourne https://t.co/QfPIc6PWXi" / Twitter](https://pbs.twimg.com/media/D924xY5XsAAJf5I.jpg)
Jimmie48 Photography on Twitter: "Daria Kasatkina's new coach Carlos Martinez during an interview in Eastbourne https://t.co/QfPIc6PWXi" / Twitter
![Daria Kasatkina, from Russia, at right, celebrates with her brother, Alexsandr Kasatkina, center, and coach Vladimir Platenik, left with hand to head, after defeating Jelena Ostapenko, from Latvia, during their finals match Daria Kasatkina, from Russia, at right, celebrates with her brother, Alexsandr Kasatkina, center, and coach Vladimir Platenik, left with hand to head, after defeating Jelena Ostapenko, from Latvia, during their finals match](https://c8.alamy.com/comp/2MW4PXA/daria-kasatkina-from-russia-at-right-celebrates-with-her-brother-alexsandr-kasatkina-center-and-coach-vladimir-platenik-left-with-hand-to-head-after-defeating-jelena-ostapenko-from-latvia-during-their-finals-match-at-the-volvo-car-open-in-charleston-sc-sunday-april-9-2017-kasatkina-won-6-3-6-1ap-photomic-smith-2MW4PXA.jpg)