![Risa Ozaki of Japan hits a return during the first round of the Wimbledon tennis tournament against Denisa Allertova of Czech at All England Tennis Club in London on July 4, 2017. ( Risa Ozaki of Japan hits a return during the first round of the Wimbledon tennis tournament against Denisa Allertova of Czech at All England Tennis Club in London on July 4, 2017. (](https://c8.alamy.com/comp/2NYK134/risa-ozaki-of-japan-hits-a-return-during-the-first-round-of-the-wimbledon-tennis-tournament-against-denisa-allertova-of-czech-at-all-england-tennis-club-in-london-on-july-4-2017-the-yomiuri-shimbun-via-ap-images-2NYK134.jpg)
Risa Ozaki of Japan hits a return during the first round of the Wimbledon tennis tournament against Denisa Allertova of Czech at All England Tennis Club in London on July 4, 2017. (
![Ana Ivanovic suffers US Open first round defeat by Denisa Allertova but insists she will not retire from tennis | Daily Mail Online Ana Ivanovic suffers US Open first round defeat by Denisa Allertova but insists she will not retire from tennis | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2016/08/30/18/37B953F800000578-0-image-a-45_1472579415224.jpg)
Ana Ivanovic suffers US Open first round defeat by Denisa Allertova but insists she will not retire from tennis | Daily Mail Online
![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-F201603151001801 | 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-F201603151001801 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/2f0e45c98e22c14f921f94ed6005e123/ckp-f201603151001801.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-F201603151001801 | agefotostock
![Czech tennis player Denisa Allertova plays against Maria Sakkari of Greece during the women Advantage Cars Prague Open by Zenova - ITF in Prague, Czech Republic, on Wednesday, August 12, 2015. (CTK Czech tennis player Denisa Allertova plays against Maria Sakkari of Greece during the women Advantage Cars Prague Open by Zenova - ITF in Prague, Czech Republic, on Wednesday, August 12, 2015. (CTK](https://c8.alamy.com/comp/F0CA59/czech-tennis-player-denisa-allertova-plays-against-maria-sakkari-of-F0CA59.jpg)
Czech tennis player Denisa Allertova plays against Maria Sakkari of Greece during the women Advantage Cars Prague Open by Zenova - ITF in Prague, Czech Republic, on Wednesday, August 12, 2015. (CTK
![Australian Open: Contender Elina Svitolina races past Denisa Allertova | Sports News,The Indian Express Australian Open: Contender Elina Svitolina races past Denisa Allertova | Sports News,The Indian Express](https://images.indianexpress.com/2018/01/svitolina-7591.jpg)
Australian Open: Contender Elina Svitolina races past Denisa Allertova | Sports 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
![Australian Open: Johanna Konta beats Denisa Allertova to become first British woman through to fourth round in 29 years | The Independent | The Independent Australian Open: Johanna Konta beats Denisa Allertova to become first British woman through to fourth round in 29 years | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2016/01/23/09/Johanna-Konta1.jpg)
Australian Open: Johanna Konta beats Denisa Allertova to become first British woman through to fourth round in 29 years | The Independent | The Independent
![Czech tennis player Denisa Allertova plays against Maria Sakkari of Greece during the women Advantage Cars Prague Open by Zenova - ITF in Prague, Czech Republic, on Wednesday, August 12, 2015. (CTK Czech tennis player Denisa Allertova plays against Maria Sakkari of Greece during the women Advantage Cars Prague Open by Zenova - ITF in Prague, Czech Republic, on Wednesday, August 12, 2015. (CTK](https://c8.alamy.com/comp/F0CA58/czech-tennis-player-denisa-allertova-plays-against-maria-sakkari-of-F0CA58.jpg)
Czech tennis player Denisa Allertova plays against Maria Sakkari of Greece during the women Advantage Cars Prague Open by Zenova - ITF in Prague, Czech Republic, on Wednesday, August 12, 2015. (CTK
![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-F201603151002401 | 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-F201603151002401 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/e34d2b197ff087c7d8ee43f8137e9176/ckp-f201603151002401.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-F201603151002401 | agefotostock
![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)