![Joe Salisbury (left) and Frederik Nielsen during their doubles match on day four of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon Stock Photo - Alamy Joe Salisbury (left) and Frederik Nielsen during their doubles match on day four of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon Stock Photo - Alamy](https://c8.alamy.com/comp/P7DRFK/joe-salisbury-left-and-frederik-nielsen-during-their-doubles-match-on-day-four-of-the-wimbledon-championships-at-the-all-england-lawn-tennis-and-croquet-club-wimbledon-P7DRFK.jpg)
Joe Salisbury (left) and Frederik Nielsen during their doubles match on day four of the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon Stock Photo - Alamy
![Jonathan Marray and Frederik Nielsen are excited to be taking on the world's best at the ATP World Tour finals | Tennis News | Sky Sports Jonathan Marray and Frederik Nielsen are excited to be taking on the world's best at the ATP World Tour finals | Tennis News | Sky Sports](https://e0.365dm.com/12/07/2048x1152/Frederik-Nielsen-and-Jonny-Marray-doubles-cha_2792175.jpg)
Jonathan Marray and Frederik Nielsen are excited to be taking on the world's best at the ATP World Tour finals | Tennis News | Sky Sports
![Kontinen/Nielsen taipuivat puolivälierässä - Kontinen/Peers ensi viikolla Australian Avoimissa - Suomen Tennisliitto Kontinen/Nielsen taipuivat puolivälierässä - Kontinen/Peers ensi viikolla Australian Avoimissa - Suomen Tennisliitto](https://www.tennis.fi/wp-content/uploads/2019/01/TL_DSC_5737.jpg)
Kontinen/Nielsen taipuivat puolivälierässä - Kontinen/Peers ensi viikolla Australian Avoimissa - Suomen Tennisliitto
![Tennis Player Frederik Nielsen in Action at a Davis Cup Match Editorial Photo - Image of mergea, contest: 29021446 Tennis Player Frederik Nielsen in Action at a Davis Cup Match Editorial Photo - Image of mergea, contest: 29021446](https://thumbs.dreamstime.com/b/tennis-player-frederik-nielsen-action-davis-cup-match-29021446.jpg)
Tennis Player Frederik Nielsen in Action at a Davis Cup Match Editorial Photo - Image of mergea, contest: 29021446
![Frederik Nielsen (Denmark) at the Aegon Tennis Championship, Queens Club, London. 12th June 2013 Stock Photo - Alamy Frederik Nielsen (Denmark) at the Aegon Tennis Championship, Queens Club, London. 12th June 2013 Stock Photo - Alamy](https://c8.alamy.com/comp/D97E10/frederik-nielsen-denmark-at-the-aegon-tennis-championship-queens-club-D97E10.jpg)
Frederik Nielsen (Denmark) at the Aegon Tennis Championship, Queens Club, London. 12th June 2013 Stock Photo - Alamy
![Tennis Player Frederik Nielsen in Action at a Davis Cup Match Editorial Image - Image of player, action: 29021625 Tennis Player Frederik Nielsen in Action at a Davis Cup Match Editorial Image - Image of player, action: 29021625](https://thumbs.dreamstime.com/b/tennis-player-frederik-nielsen-action-davis-cup-match-29021625.jpg)