![BSLN on Twitter: "The name is Zdenek, Zdenek Kolar and ZK is his trademark. Since his days as a junior, the Czech has been playing under his own personal clothing brand 👕 # BSLN on Twitter: "The name is Zdenek, Zdenek Kolar and ZK is his trademark. Since his days as a junior, the Czech has been playing under his own personal clothing brand 👕 #](https://pbs.twimg.com/media/FTulwpUWAAI7PsL.jpg:large)
BSLN on Twitter: "The name is Zdenek, Zdenek Kolar and ZK is his trademark. Since his days as a junior, the Czech has been playing under his own personal clothing brand 👕 #
![julian ocleppo , zdenek kolar during ATP Bergamo Challenger, Bergamo, Italy, 22 Feb 2020, Tennis Tennis Internationals Stock Photo - Alamy julian ocleppo , zdenek kolar during ATP Bergamo Challenger, Bergamo, Italy, 22 Feb 2020, Tennis Tennis Internationals Stock Photo - Alamy](https://c8.alamy.com/comp/2B15J5T/julian-ocleppo-zdenek-kolar-during-atp-bergamo-challenger-bergamo-italy-22-feb-2020-tennis-tennis-internationals-2B15J5T.jpg)
julian ocleppo , zdenek kolar during ATP Bergamo Challenger, Bergamo, Italy, 22 Feb 2020, Tennis Tennis Internationals Stock Photo - Alamy
![Tennis Internationals ATP Bergamo Challenger Editorial Photography - Image of kolar, julian: 173501387 Tennis Internationals ATP Bergamo Challenger Editorial Photography - Image of kolar, julian: 173501387](https://thumbs.dreamstime.com/b/tennis-internationals-atp-bergamo-challenger-julian-ocleppo-zdenek-kolar-italy-february-lps-roberta-corradin-173501387.jpg)
Tennis Internationals ATP Bergamo Challenger Editorial Photography - Image of kolar, julian: 173501387
![Zdenek Kolar Tennis - Wolffkran Open - Ismaning - ATP Challenger - TC Ismaning - Germany - 2020 | Juergen Hasenkopf Photography Zdenek Kolar Tennis - Wolffkran Open - Ismaning - ATP Challenger - TC Ismaning - Germany - 2020 | Juergen Hasenkopf Photography](https://m.psecn.photoshelter.com/img-get2/I0000ww85mhcvjVg/fit=1000x750/Zdenek-Kolar-20201021-B81I3241.jpg)