博•格里夫斯

Early career

Greaves started playing regularly in tournaments and league games at the age of 10, having been introduced to darts by her brother Taylor. She made her stage debut at the girls' 2014 Winmau World Masters and lost in the final to Robyn Byrne. Two years later, she won a gold medal in the 2016 WDF Europe Cup Youth singles competition against Christina Schuler by 4–1 in legs and also takes gold and silver medal in others competition. In the same year, she advanced for a second time to the final of the girls' 2016 Winmau World Masters and lost to Veronika Koroleva.

Not only did Greaves win numerous national girls' titles, but she also became a regular contender in the women's tournaments, reaching the final of the Jersey Classic at the age of 13. In 2017, she advanced for third time to the final of the girls' 2017 Winmau World Masters and took the title after defeating Katie Sheldon in a whitewash.

Greaves successfully defended her title at the girls' 2018 Winmau World Masters by beating Hayley Crowley in the final, also without giving up a leg. In 2018, she won the all-girls' competition of the 2018 WDF Europe Cup Youth, defeating Emine Dursan in the singles competition.

2019–2021

In April 2019, she threw a 9-dart finish at a tournament in her hometown of Doncaster. In May 2019, Greaves won both the Welsh Open and the Welsh Classic in the women's category. Later in June, she won both women's singles titles, the girls' title and the overall youth title at the England National Singles and the England Open. Only the women's doubles title was narrowly denied to her that weekend, but she was the youngest player ever to win the British Pentathlon. At the end of the month she also won the BDO Gold Cup, followed by another title at the West Midlands Open at the end of August.

At the beginning of September 2019, Greaves won the England Matchplay. At the 2019 WDF World Cup in Romania, she won the girls' singles and doubles with Shannon Reeves, and she was also successful at the premiere of the Northern Cyprus Open. At the age of 15, Greaves then qualified for the 2020 BDO World Darts Championship for the first time as the sixth seed, becoming the youngest women player to play in the World Darts Championship. She beat Tori Kewish in the first round and Aileen de Graaf in the quarter-finals to reach the last four on debut, where she lost to reigning champion Mikuru Suzuki.

By winning the Scottish Open in February 2020, Greaves took first place in the women's British Darts Organisation rankings at the age of 16.

In 2021, Greaves struggled with dartitis during the coronavirus pandemic, but still won the Welsh Classic and a year later both events on the Isle of Man. Greaves then took part in the 2022 WDF World Darts Championship at Lakeside, where she defeated Veronika Ihász by 2–1 in sets in the first game and then defeated Aileen de Graaf by 2–0 in sets. A 3–0 win over Lorraine Winstanley made Greaves the youngest ever women's World Championship finalist, and the following day she was crowned World Champion with a 4–0 win over Kirsty Hutchinson.

2022: PDC World Darts Championship debut

In 2022, Greaves won the Welsh Open for the second time in May and the 2022 Dutch Open in June. She was also able to win the individual event of the Six Nations Cup, she also won the Romanian Open and England Open and the platinum title at the 2022 Australian Darts Open also belonged to her. In August 2022, Greaves made her debut at the 2022 PDC Women's Series and won four consecutive finals, becoming the first player to do so. She subsequently won four more consecutive finals to end the year with a record eight straight Women's Series titles.

At the end of September 2022, Greaves was selected by the national federation to participate in the 2022 WDF Europe Cup held in Spain. On the second day of the tournament, she advanced to the finals of the singles competition, defeating Anca Zijlstra, Robyn Byrne, and Rhian O'Sullivan en route to the final. In the final, she beat Almudena Fajardo 7–4 in legs.

In December 2022, Greaves made her debut at the PDC World Darts Championship, losing to William O'Connor 0–3 in the first round.

2023

After winning seven of the twelve Women's Series events, Greaves was the top seed in the PDC Women's World Matchplay. On July 23, 2023, Beau Greaves participated in the PDC Women's World Matchplay after missing the inaugural tournament last year. Greaves whitewashed Noa-Lynn van Leuven, defeated Robyn Byrne 5–3, and beat Mikuru Suzuki 6–1 in the final to claim the trophy for the first time in her career.

Greaves qualified for the 2023 Grand Slam of Darts with her title victory at the Women's Matchplay. In November, she was drawn into Group H alongside Nathan Aspinall, Damon Heta, and Ricardo Pietreczko. Her debut match at the Grand Slam of Darts was against the current World Matchplay champion, Nathan Aspinall, where she narrowly lost 5–4. In her next match, she redeemed her previous loss by defeating Ricardo Pietreczko 5–1 before exiting the tournament at the group stages after losing 5–4 to Damon Heta and finishing third in her group.

A few months before the WDF World Championships, the WDF announced that the PDC had placed a ban on players who qualified for the 2024 PDC World Darts Championships from playing in the 2023 WDF World Darts Championships. Greaves declined to play at the PDC World Darts Championships to instead defend her WDF Women's World Darts Championships title. In December, Greaves returned to Lakeside to defend her world title at the 2023 WDF Women's World Darts Championships. En route to the final, Greaves whitewashed Lorraine Hyde in the last 16, Paula Murphy in the quarter-finals, and Rhian O'Sullivan in the semi-finals. Greaves retained her title in the final against Aileen de Graaf 4–1 to become a two-time back-to-back world champion, averaging 87.28 throughout the event.

2024

In early February, Greaves reclaimed the WDF Dutch Open Darts trophy by whitewashing Jacqueline Seitzinger, Rachelle Boshoven, Jaynie Bloem, Desiree Geel, and Lerena Rietbergen before dropping her first legs against Lorraine Hyde 4–1 in the quarter-finals and Noa-Lynn van Leuven 4–1 in the semi-finals to enter her third consecutive final. Greaves beat Aileen de Graaf 5–1 in the final to win the Dutch Open for the second time in her career. After winning the Dutch Open, Greaves revealed that she would be attending a few development tour events this year. A video during her quarter-final pair match went viral after Greaves hit ten perfect darts in a 701-leg match, including three consecutive maximums before hitting the double.