![NEW YORK - AUGUST 27, 2017: Tennis Coach Sam Sumyk Coaches Grand Slam Champion Garbina Muguruza Of Spain For US Open 2017 At Billie Jean King National Tennis Center Stock Photo, Picture NEW YORK - AUGUST 27, 2017: Tennis Coach Sam Sumyk Coaches Grand Slam Champion Garbina Muguruza Of Spain For US Open 2017 At Billie Jean King National Tennis Center Stock Photo, Picture](https://previews.123rf.com/images/zhukovsky/zhukovsky1711/zhukovsky171100487/90640509-new-york-august-27-2017-tennis-coach-sam-sumyk-coaches-grand-slam-champion-garbina-muguruza-of.jpg)
NEW YORK - AUGUST 27, 2017: Tennis Coach Sam Sumyk Coaches Grand Slam Champion Garbina Muguruza Of Spain For US Open 2017 At Billie Jean King National Tennis Center Stock Photo, Picture
![Garbine Muguruza of Spain listens to coach Sam Sumyk at the 2019 Miami Open WTA Premier Mandatory tennis tournament Stock Photo - Alamy Garbine Muguruza of Spain listens to coach Sam Sumyk at the 2019 Miami Open WTA Premier Mandatory tennis tournament Stock Photo - Alamy](https://l450v.alamy.com/450v/2afp951/garbine-muguruza-of-spain-listens-to-coach-sam-sumyk-at-the-2019-miami-open-wta-premier-mandatory-tennis-tournament-2afp951.jpg)
Garbine Muguruza of Spain listens to coach Sam Sumyk at the 2019 Miami Open WTA Premier Mandatory tennis tournament Stock Photo - Alamy
![WTARussians on Twitter: "Anastasia Pavlyuchenkova has split ways from her coach Sam Sumyk since the BNP Paribas Open. https://t.co/KyYsklCYVt [📸: @JJlovesTennis] https://t.co/ZtROU95PZt" / Twitter WTARussians on Twitter: "Anastasia Pavlyuchenkova has split ways from her coach Sam Sumyk since the BNP Paribas Open. https://t.co/KyYsklCYVt [📸: @JJlovesTennis] https://t.co/ZtROU95PZt" / Twitter](https://pbs.twimg.com/media/EURhcxuU0AIzqgb.jpg)
WTARussians on Twitter: "Anastasia Pavlyuchenkova has split ways from her coach Sam Sumyk since the BNP Paribas Open. https://t.co/KyYsklCYVt [📸: @JJlovesTennis] https://t.co/ZtROU95PZt" / Twitter
![Coach Sam Sumyk and Donna Vekic of Croatia during practice ahead of the Roland-Garros 2021, Grand Slam tennis tournament, Qualifying, on May 27, 2021 at Roland-Garros stadium in Paris, France - Photo Coach Sam Sumyk and Donna Vekic of Croatia during practice ahead of the Roland-Garros 2021, Grand Slam tennis tournament, Qualifying, on May 27, 2021 at Roland-Garros stadium in Paris, France - Photo](https://c8.alamy.com/comp/2G03G8W/coach-sam-sumyk-and-donna-vekic-of-croatia-during-practice-ahead-of-the-roland-garros-2021-grand-slam-tennis-tournament-qualifying-on-may-27-2021-at-roland-garros-stadium-in-paris-france-photo-rob-prange-spain-dppi-dppi-livemedia-2G03G8W.jpg)
Coach Sam Sumyk and Donna Vekic of Croatia during practice ahead of the Roland-Garros 2021, Grand Slam tennis tournament, Qualifying, on May 27, 2021 at Roland-Garros stadium in Paris, France - Photo
![Sam Sumyk, the Coach of Two Times Grand Slam Champion Victoria Azarenka during Practice for US Open 2014 Editorial Photo - Image of professional, billie: 43730476 Sam Sumyk, the Coach of Two Times Grand Slam Champion Victoria Azarenka during Practice for US Open 2014 Editorial Photo - Image of professional, billie: 43730476](https://thumbs.dreamstime.com/z/sam-sumyk-coach-two-times-grand-slam-champion-victoria-azarenka-practice-us-open-new-york-august-national-43730476.jpg)
Sam Sumyk, the Coach of Two Times Grand Slam Champion Victoria Azarenka during Practice for US Open 2014 Editorial Photo - Image of professional, billie: 43730476
![Live Tennis on Twitter: "Yet another on-court spat for Garbine #Muguruza & Sam Sumyk as defeat in Zhuhai ends the Spaniard's season. Will this spell the end for this coaching partnership? Read Live Tennis on Twitter: "Yet another on-court spat for Garbine #Muguruza & Sam Sumyk as defeat in Zhuhai ends the Spaniard's season. Will this spell the end for this coaching partnership? Read](https://pbs.twimg.com/media/DrGBu9YW4AQcvMZ.jpg)