![Donna Vekic during her quarter final match with Mona Barthel during day five of the Nature Valley Open at Nottingham Tennis Centre Stock Photo - Alamy Donna Vekic during her quarter final match with Mona Barthel during day five of the Nature Valley Open at Nottingham Tennis Centre Stock Photo - Alamy](https://c8.alamy.com/comp/P2GMEK/donna-vekic-during-her-quarter-final-match-with-mona-barthel-during-day-five-of-the-nature-valley-open-at-nottingham-tennis-centre-P2GMEK.jpg)
Donna Vekic during her quarter final match with Mona Barthel during day five of the Nature Valley Open at Nottingham Tennis Centre Stock Photo - Alamy
![Germany's Mona Barthel plays a return to China's Lin Zhu during the women's singles first round match on day two of the Wimbledon Tennis Championships in London, Tuesday June 29, 2021. (AP Germany's Mona Barthel plays a return to China's Lin Zhu during the women's singles first round match on day two of the Wimbledon Tennis Championships in London, Tuesday June 29, 2021. (AP](https://c8.alamy.com/comp/2ME90DE/germanys-mona-barthel-plays-a-return-to-chinas-lin-zhu-during-the-womens-singles-first-round-match-on-day-two-of-the-wimbledon-tennis-championships-in-london-tuesday-june-29-2021-ap-photoalastair-grant-2ME90DE.jpg)
Germany's Mona Barthel plays a return to China's Lin Zhu during the women's singles first round match on day two of the Wimbledon Tennis Championships in London, Tuesday June 29, 2021. (AP
![WTA Collector Swedish Open: Mona Barthel and Chanelle Scheepers to contest final | Tennis News | Sky Sports WTA Collector Swedish Open: Mona Barthel and Chanelle Scheepers to contest final | Tennis News | Sky Sports](https://e0.365dm.com/14/07/2048x1152/tennis-mona-barthel_3174676.jpg)
WTA Collector Swedish Open: Mona Barthel and Chanelle Scheepers to contest final | Tennis News | Sky Sports
![Mona Barthel | Open GDF Suez 2013 - WTA Premier (Paris, Fran… | Jimmie48 Tennis Photography | Flickr Mona Barthel | Open GDF Suez 2013 - WTA Premier (Paris, Fran… | Jimmie48 Tennis Photography | Flickr](https://live.staticflickr.com/8510/8456332663_dcb5cca417_b.jpg)