Daniel Klose

Klose qualified for his first PDC European Tour tournament, the 2019 European Darts Grand Prix, as one of four Host Nation qualifiers, but he lost in the first round to Keegan Brown 6–3.

In November 2020, he qualified for the PDC Europe Super League Darts 2020, where he reached the quarter-finals after finishing top Group B. He won six wins in his seven games, defeating Manfred Bilderl 6–5 in a deciding leg, beating René Eidams 6–1, Dragutin Horvat and Nico Kurz both 6–2, Karsten Koch 6–3, and Thomas Köhnlein 6–4, with his one loss being to Maik Langendorf. He lost to Michael Unterbuchner 8–4 in the quarter-finals.

In his second Super League participation in the 2021 edition, he was eliminated in the preliminary round, finishing bottom of Group D with only 2 points, having only won two of his 10 games, a 6–2 win over Steffen Siepmann and a 6–4 win against René Eidams.

He was subsequently unable to win a Tour Card at European Q-School, failing to reach the final stage, but his attendance at Q-School did grant him access to play in the 2022 PDC Challenge Tour series.

On 22 January he reached the quarter-finals at Challenge Tour 3, losing there to Matthew Edgar 5–4 in a deciding leg. He reached a second quarter-final of the year at Challenge Tour 12 on 15 July, being whitewashed there 5–0 by Chas Barstow, who averaged 107.36 to Klose’s 88.45 On 17 September Klose reached the semi-finals of Challenge Tour 18. He whitewashed Jim Moston 5–0, averaging 100.20 to Moston's 86.78, to reach his first semi-final of the year from his third quarter-final of the year. He lost to eventual winner Jurjen van der Velde 5–2 in the semi-finals.

On 26 & 27 March, Klose received call–ups for 2022 PDC Players Championship series events 7 and 8 filling in as a reserve for an absent tour card holder virtue of his ranking on the Challenge Tour Order of Merit. This was his PDC Pro Tour debut. He lost in the first round on both occasions, to Steve Lennon 6–1 and Brendan Dolan 6–3 respectively.

In November, he again took part in the PDC Europe Super League, where he narrowly lost 8–7 in the semi-finals to eventual winner Florian Hempel.

At 2023 European Q-School he won a two-year Pro Tour card. He made the first PDC final of his career at the Players Championship 21 event in September, losing to Gerwyn Price. After Max Hopp, Gabriel Clemens, Martin Schindler and Ricardo Pietreczko, he was the fifth German to reach the final of a PDC professional tournament.

In September 2023, Klose managed to qualify for the 2023 World Series of Darts Finals via the Tour Card Holder Qualifier. He lost in the first round to Krzysztof Ratajski 6–3.

As 54th seed he qualified for 2023 Players Championship Finals, and on his debut he lost to Ryan Joyce 6–3 in the first round.

On 27 November 2023, he took part in the "Tour Card Holder Qualifier", the last opportunity to qualify for the 2024 PDC World Darts Championship. He only just missed out on his World Championship debut when he lost to Darren Webster 7–5 in the final.