![Ukrainian Junior Tennis Player Marta Kostyuk in Practice during US Open 2017 Editorial Stock Photo - Image of champion, serve: 100824653 Ukrainian Junior Tennis Player Marta Kostyuk in Practice during US Open 2017 Editorial Stock Photo - Image of champion, serve: 100824653](https://thumbs.dreamstime.com/b/new-york-september-ukrainian-junior-tennis-player-marta-kostyuk-practice-us-open-billie-jean-king-national-tennis-100824653.jpg)
Ukrainian Junior Tennis Player Marta Kostyuk in Practice during US Open 2017 Editorial Stock Photo - Image of champion, serve: 100824653
![Coco Gauff overcomes battling Emma Raducanu to move into round three of 2023 Australian Open - Eurosport Coco Gauff overcomes battling Emma Raducanu to move into round three of 2023 Australian Open - Eurosport](https://i.eurosport.com/2023/01/18/3529057-71928308-2560-1440.jpg)
Coco Gauff overcomes battling Emma Raducanu to move into round three of 2023 Australian Open - Eurosport
![Unexpected Hungarian Success In Australia – Young Hungarian Tennis Player Wins the Australian Open Junior Championship - Hungary Today Unexpected Hungarian Success In Australia – Young Hungarian Tennis Player Wins the Australian Open Junior Championship - Hungary Today](https://hungarytoday.hu/wp-content/uploads/2017/01/g_28012017_boyssingles_01-1.jpg)
Unexpected Hungarian Success In Australia – Young Hungarian Tennis Player Wins the Australian Open Junior Championship - Hungary Today
Australian Open - Detail of a tennis ball held by a ball kid during the Australian Open 2017 Junior Championships at Melbourne Park on January 21, 2017 in Melbourne, Australia. | Facebook
![Australian Open 2017 R4 He did it after a 6 month lay off and beat 4 top 10 players and 2nd GOAT to do it - Rafa fi… | Roger federer, Classy sport, Tennis champion Australian Open 2017 R4 He did it after a 6 month lay off and beat 4 top 10 players and 2nd GOAT to do it - Rafa fi… | Roger federer, Classy sport, Tennis champion](https://i.pinimg.com/736x/9a/9d/e8/9a9de89e482c373804f7627fbd34e8b6--atp-tennis-tennis-legends.jpg)
Australian Open 2017 R4 He did it after a 6 month lay off and beat 4 top 10 players and 2nd GOAT to do it - Rafa fi… | Roger federer, Classy sport, Tennis champion
![170126) -- MELBOURNE, Jan. 26, 2017 (Xinhua) -- Wu Yibing of China returns the ball during the junior boys' singles quarterfinal match against Alexey Zakharov of Russia at the Australian Open tennis 170126) -- MELBOURNE, Jan. 26, 2017 (Xinhua) -- Wu Yibing of China returns the ball during the junior boys' singles quarterfinal match against Alexey Zakharov of Russia at the Australian Open tennis](https://c8.alamy.com/comp/2ETCRHX/170126-melbourne-jan-26-2017-xinhua-wu-yibing-of-china-returns-the-ball-during-the-junior-boys-singles-quarterfinal-match-against-alexey-zakharov-of-russia-at-the-australian-open-tennis-championships-in-melbourne-australia-jan-26-2017-wu-won-2-0-xinhuabai-xue-authorized-by-ytfs-photo-by-xinhuasipa-usa-2ETCRHX.jpg)
170126) -- MELBOURNE, Jan. 26, 2017 (Xinhua) -- Wu Yibing of China returns the ball during the junior boys' singles quarterfinal match against Alexey Zakharov of Russia at the Australian Open tennis
![SUCCESSFUL TRANSITION: German Alexander Zverev, pictured here as a junior at Australian Open 2014, is now a top-20 player; Getty Images | Tennismash SUCCESSFUL TRANSITION: German Alexander Zverev, pictured here as a junior at Australian Open 2014, is now a top-20 player; Getty Images | Tennismash](https://tennismash.com/wp-content/uploads/2017/04/GettyImages-463596343-e1492741888217.jpg)
SUCCESSFUL TRANSITION: German Alexander Zverev, pictured here as a junior at Australian Open 2014, is now a top-20 player; Getty Images | Tennismash
![Australian Open 2023: 15-year-old Alina Korneeva wins junior girls' singles title after nerve-wracking three-setter - India Today Australian Open 2023: 15-year-old Alina Korneeva wins junior girls' singles title after nerve-wracking three-setter - India Today](https://akm-img-a-in.tosshub.com/indiatoday/images/story/202301/ap23028175320494-sixteen_nine.jpg?VersionId=GKvbY6niN5SykNXs5Az_4B5yrtidn6LL&size=690:388)
Australian Open 2023: 15-year-old Alina Korneeva wins junior girls' singles title after nerve-wracking three-setter - India Today
![ZooTennis: 2017 Rule Changes; Branstine Wins Australian Open Doubles Title; Gauff, Bernard Reach Les Petits As Semifinals; Cernoch, Meyer Advance to Finals in Ecuador Grade 1 ZooTennis: 2017 Rule Changes; Branstine Wins Australian Open Doubles Title; Gauff, Bernard Reach Les Petits As Semifinals; Cernoch, Meyer Advance to Finals in Ecuador Grade 1](https://2.bp.blogspot.com/-YyOXR4jwsxw/WIujNFA-y1I/AAAAAAAFu4Q/xsPdKzzAQswCdvUr2fiFfB_oCgotVhHawCLcB/s400/AndreescuBranstine.png)