2021 Jack's Casino World Series of Darts Finals
Tournament information
Dates	29–31 October 2021
Venue	AFAS Live
Location	Amsterdam
Country	Netherlands
Organisation(s)	Professional Darts Corporation (PDC)
Format	Legs
Prize fund	£300,000
Winner's share	£70,000
High checkout	170  Jeffrey de Zwaan 170  Michael van Gerwen
Champion(s)
Jonny Clayton
«2020 2022»

The 2021 Jack's Casino World Series of Darts Finals was the seventh staging of the World Series of Darts Finals tournament, organised by the Professional Darts Corporation. The tournament took place at AFAS Live, Amsterdam, Netherlands, from 29 to 31 October 2021. It featured a field of 24 players.^[1]

Gerwyn Price was the defending champion, after beating Rob Cross 11–9 in the 2020 final,^[2] but lost to compatriot Jonny Clayton in the quarter-finals.

Clayton went on to win the title, defeating Dimitri Van den Bergh 11–6 in the final.^[3]

This was the first time the tournament had taken place without any representatives from outside Europe.

The prize money remained the same as the previous year.^[4]

Due to the COVID-19 pandemic still being prevalent in 2021, only one event took place on the 2021 World Series of Darts, which was the 2021 Nordic Darts Masters.^[5]

The eight PDC representatives who reached the quarter-finals of the Nordic Darts Masters were seeded for the World Series of Darts Finals. The other 16 places were filled up by:

• The next 4 players on the PDC Order of Merit (after the World Grand Prix) who hadn't yet qualified
• 4 international representatives
• 4 Dutch representatives, with the event being held in Amsterdam
• 4 players being determined by a qualifier for Tour Card holders held on 18 October at Barnsley Metrodome, Barnsley.

The following players qualified for the tournament:^[6]

	First round (best of 11 legs) 29 October					Second round (best of 11 legs) 30 October					Quarter-finals (best of 19 legs) 31 October					Semi-finals (best of 21 legs) 31 October					Final (best of 21 legs) 31 October
	Q	Maik Kuivenhoven 88.19	6			1	Michael van Gerwen 92.92	6
		John Henderson 90.71	2			Q	Maik Kuivenhoven 90.02	4
											1	Michael van Gerwen 98.97	10
											Q	Mervyn King 93.17	5
	RQ	James Wade 86.13	0			8	Madars Razma 87.36	0
	Q	Mervyn King 115.62	6			Q	Mervyn King 98.02	6
																1	Michael van Gerwen 99.32	6
																4	Jonny Clayton 101.47	11
		Nathan Aspinall 91.60	3			4	Jonny Clayton 94.17	6
		Vincent van der Voort 93.34	6				Vincent van der Voort 84.60	1
											4	Jonny Clayton 95.52	10
											5	Gerwyn Price 97.70	9
		Jeffrey de Zwaan 86.12	2			5	Gerwyn Price 100.28	6
		Dirk van Duijvenbode 98.55	6				Dirk van Duijvenbode 95.05	2
																					4	Jonny Clayton 101.63	11
																					3	Dimitri Van den Bergh 101.95	6
		Krzysztof Ratajski 93.89	6			2	Fallon Sherrock 89.83	1
		Gabriel Clemens 95.86	3				Krzysztof Ratajski 96.93	6
												Krzysztof Ratajski 91.98	10
											Q	Niels Zonneveld 90.12	6
	Q	Niels Zonneveld 88.79	6			7	Gary Anderson 93.89	4
	RQ	Dave Chisnall 87.04	3			Q	Niels Zonneveld 96.97	6
																	Krzysztof Ratajski 92.56	8
																3	Dimitri Van den Bergh 96.00	11
	RQ	José de Sousa 103.86	6			3	Dimitri Van den Bergh 101.21	6
		Danny Noppert 97.81	2			RQ	José de Sousa 95.50	3
											3	Dimitri Van den Bergh 100.30	10
											Q	Kim Huybrechts 100.63	8
	Q	Kim Huybrechts 98.48	6			6	Peter Wright 91.41	1
	RQ	Michael Smith 90.69	3			Q	Kim Huybrechts 92.32	6