![February 18, 2020: Stefan KOZLOV (USA) serves during his match against Ugo HUMBERT (FRA) at the 2020 Delray Beach Open ATP professional tennis tournament, played at the Delray Beach Stadium & Tennis February 18, 2020: Stefan KOZLOV (USA) serves during his match against Ugo HUMBERT (FRA) at the 2020 Delray Beach Open ATP professional tennis tournament, played at the Delray Beach Stadium & Tennis](https://c8.alamy.com/comp/2EJKGAT/february-18-2020-stefan-kozlov-usa-serves-during-his-match-against-ugo-humbert-fra-at-the-2020-delray-beach-open-atp-professional-tennis-tournament-played-at-the-delray-beach-stadium-tennis-center-in-delray-beach-florida-usa-mario-houbenphoto-by-mario-houbencsmsipa-usa-2EJKGAT.jpg)
February 18, 2020: Stefan KOZLOV (USA) serves during his match against Ugo HUMBERT (FRA) at the 2020 Delray Beach Open ATP professional tennis tournament, played at the Delray Beach Stadium & Tennis
![American Teen Kozlov Finishes Runner-Up for Aussie Open Junior Boys Title | Long Island Tennis Magazine American Teen Kozlov Finishes Runner-Up for Aussie Open Junior Boys Title | Long Island Tennis Magazine](https://longislandtennismagazine.com/sites/default/files/Kozlov.jpg)
American Teen Kozlov Finishes Runner-Up for Aussie Open Junior Boys Title | Long Island Tennis Magazine
![KEY BISCAYNE, FL - MARCH 28: Sixteen year old Stefan Kozlov, the world No. 2-ranked junior from Pembroke Pines Florida went for his drivers license in the morning than to the stadium KEY BISCAYNE, FL - MARCH 28: Sixteen year old Stefan Kozlov, the world No. 2-ranked junior from Pembroke Pines Florida went for his drivers license in the morning than to the stadium](https://c8.alamy.com/comp/KPYBHB/key-biscayne-fl-march-28-sixteen-year-old-stefan-kozlov-the-world-KPYBHB.jpg)