In 2014, after Paloma Loza and Itziar Díaz, she became the third woman to referee a Copa del Rey de Rugby final. She also refereed the 2017 final. Women's international competitions On 15 February 2014, at the USA Women's Sevens, Nievas took charge of a match between Australia and China. This was her first match in charge on the World Rugby Women's Sevens Series circuit. On 30 November 2017 at the Dubai Women's Sevens she took charge of a match between Russia and England. This was her 100th World Rugby Women's Sevens Series match. In 2014 Nievas made her international debut as a referee in the women's fifteen-a-side game when she took charge of a game between New Zealand and Samoa at Eden Park. She subsequently refereed games in the Women's Six Nations Championship and at both the 2014 and 2017 Women's Rugby World Cups. She also refereed the women's final at the 2016 Summer Olympics. Men's international competitions Nievas served as referee at both the 2015 Africa Cup Sevens and the 2016 Men's Rugby Sevens Final Olympic Qualification Tournament. On 19 November 2016 Nievas served as an assistant referee at an international between Tonga and the United States at Anoeta Stadium. This made her the first woman to officiate in a men's rugby union international. On 14 October 2017 Nievas refereed a Rugby Europe Conference match between Finland and Norway, becoming the first woman to referee a men's rugby union international in Europe. Ireland's Joy Neville became the second two weeks later. Honours Individual World Rugby Referee of the Year 2016 References 1983 births Living people Spain international women's rugby union players Spain international women's rugby sevens players Female rugby union referees Spanish rugby union coaches University of Málaga alumni Sportspeople from the Province of Granada