![Denisa Allertova, of the Czech Republic, returns a volley from Angelique Kerber during their match at the BNP Paribas Open tennis tournament, Saturday, March 12, 2016, in Indian Wells, Calif. (AP Photo/Mark Denisa Allertova, of the Czech Republic, returns a volley from Angelique Kerber during their match at the BNP Paribas Open tennis tournament, Saturday, March 12, 2016, in Indian Wells, Calif. (AP Photo/Mark](https://c8.alamy.com/comp/2N03M0T/denisa-allertova-of-the-czech-republic-returns-a-volley-from-angelique-kerber-during-their-match-at-the-bnp-paribas-open-tennis-tournament-saturday-march-12-2016-in-indian-wells-calif-ap-photomark-j-terrill-2N03M0T.jpg)
Denisa Allertova, of the Czech Republic, returns a volley from Angelique Kerber during their match at the BNP Paribas Open tennis tournament, Saturday, March 12, 2016, in Indian Wells, Calif. (AP Photo/Mark
![Australian Open: Denisa Allertova beats Magda Linette to reach quarterfinals | Tennis News - Hindustan Times Australian Open: Denisa Allertova beats Magda Linette to reach quarterfinals | Tennis News - Hindustan Times](https://images.hindustantimes.com/rf/image_size_630x354/HT/p2/2018/01/19/Pictures/tennis-australian-australia-margaret-court-arena-melbourne_4e2f67da-fcc3-11e7-a1cf-7dff4aec86fa.jpg)
Australian Open: Denisa Allertova beats Magda Linette to reach quarterfinals | Tennis News - Hindustan Times
![Denisa Allertova of the Czech Republic reacts after losing a point to Ukraine's Elina Svitolina during their fourth round match at the Australian Open tennis championships in Melbourne, Australia Monday, Jan. 22, Denisa Allertova of the Czech Republic reacts after losing a point to Ukraine's Elina Svitolina during their fourth round match at the Australian Open tennis championships in Melbourne, Australia Monday, Jan. 22,](https://c8.alamy.com/comp/2MP5AFN/denisa-allertova-of-the-czech-republic-reacts-after-losing-a-point-to-ukraines-elina-svitolina-during-their-fourth-round-match-at-the-australian-open-tennis-championships-in-melbourne-australia-monday-jan-22-2018-ap-photong-han-guan-2MP5AFN.jpg)
Denisa Allertova of the Czech Republic reacts after losing a point to Ukraine's Elina Svitolina during their fourth round match at the Australian Open tennis championships in Melbourne, Australia Monday, Jan. 22,
![Johanna Konta stuns Denisa Allertova to march into last 16 at Australian Open | Johanna Konta | The Guardian Johanna Konta stuns Denisa Allertova to march into last 16 at Australian Open | Johanna Konta | The Guardian](https://i.guim.co.uk/img/media/86eff7f46021a1d061e4c54f3987d9e68c49b2e7/134_0_2761_1657/master/2761.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctZGVmYXVsdC5wbmc&s=30c0e89e793c640293fcb1070df85d0c)
Johanna Konta stuns Denisa Allertova to march into last 16 at Australian Open | Johanna Konta | The Guardian
![Australian Open: Contender Elina Svitolina races past Denisa Allertova | Tennis News - The Indian Express Australian Open: Contender Elina Svitolina races past Denisa Allertova | Tennis News - The Indian Express](https://images.indianexpress.com/2018/01/svitolina-7591.jpg)
Australian Open: Contender Elina Svitolina races past Denisa Allertova | Tennis News - The Indian Express
![Tennis player Denisa Allertova, member of the Czech Republic Fed Cup team (CTK Photo/Pavel Lebeda), Stock Photo, Picture And Rights Managed Image. Pic. CKP-F201603151002701 | agefotostock Tennis player Denisa Allertova, member of the Czech Republic Fed Cup team (CTK Photo/Pavel Lebeda), Stock Photo, Picture And Rights Managed Image. Pic. CKP-F201603151002701 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/d3bc016ff69c755189da73558b7a8850/ckp-f201603151002701.jpg)
Tennis player Denisa Allertova, member of the Czech Republic Fed Cup team (CTK Photo/Pavel Lebeda), Stock Photo, Picture And Rights Managed Image. Pic. CKP-F201603151002701 | agefotostock
![Jo Konta "ruthless" as she beats Denisa Allertova to make it into Australian Open fourth round - Irish Mirror Online Jo Konta "ruthless" as she beats Denisa Allertova to make it into Australian Open fourth round - Irish Mirror Online](https://i2-prod.irishmirror.ie/incoming/article7230034.ece/ALTERNATES/s615b/Denisa-Allertova.jpg)
Jo Konta "ruthless" as she beats Denisa Allertova to make it into Australian Open fourth round - Irish Mirror Online
![Denisa Allertova of the Czech Republic in action during her first-round match at the 2019 US Open Grand Slam tennis tournament Stock Photo - Alamy Denisa Allertova of the Czech Republic in action during her first-round match at the 2019 US Open Grand Slam tennis tournament Stock Photo - Alamy](https://c8.alamy.com/comp/2C8XJY6/denisa-allertova-of-the-czech-republic-in-action-during-her-first-round-match-at-the-2019-us-open-grand-slam-tennis-tournament-2C8XJY6.jpg)
Denisa Allertova of the Czech Republic in action during her first-round match at the 2019 US Open Grand Slam tennis tournament Stock Photo - Alamy
![Czech tennis player Denisa Allertova plays against Maria Sakkari of Greece during the women..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201508120502001 | agefotostock Czech tennis player Denisa Allertova plays against Maria Sakkari of Greece during the women..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201508120502001 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/5be5483008a50ca3336794c84becabe8/ckp-p201508120502001.jpg)
Czech tennis player Denisa Allertova plays against Maria Sakkari of Greece during the women..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201508120502001 | agefotostock
![Jo Konta "ruthless" as she beats Denisa Allertova to make it into Australian Open fourth round - Irish Mirror Online Jo Konta "ruthless" as she beats Denisa Allertova to make it into Australian Open fourth round - Irish Mirror Online](https://i2-prod.mirror.co.uk/incoming/article7230023.ece/ALTERNATES/s1200c/Jo-Konta.jpg)