what was the best record in a season for donostia

Manchester City have the best record by a club in the Premier League in a season, with a record of W4 D0 L0 this season.

	CLUB	W-D-L	SEASON	W%	M	W	D	L	G	GC	XG	XGA	SH	SOT	PASS-ATT	PASS	POSS%	FOUL	YC	RC
1	Man City	W4 D0 L0	2024-25	1.000	4	4	0	0	11	3	8.43	2.85	66	25	2,558	2,331	62.2	25	8	0
2	Man City	W32 D4 L2	2017-18	.842	38	32	4	2	106	27	83.24	22.59	665	265	27,227	25,142	71.8	344	63	2
3	Liverpool	W32 D3 L3	2019-20	.842	38	32	3	3	85	33	67.74	38.49	590	231	23,610	19,899	63.4	331	38	1
4	Man City	W32 D2 L4	2018-19	.842	38	32	2	4	95	23	80.13	25.43	683	260	26,822	23,872	68.3	328	44	1
5	Liverpool	W30 D7 L1	2018-19	.789	38	30	7	1	89	22	73.97	31.58	575	226	23,874	20,198	62.3	315	41	2
6	Arsenal	W3 D1 L0	2024-25	.750	4	3	1	0	6	1	4.59	4.65	45	21	1,496	1,250	46.6	54	13	1
7	Newcastle	W3 D1 L0	2024-25	.750	4	3	1	0	6	3	4.70	6.82	40	15	1,409	1,114	42.1	45	11	1
8	Chelsea	W29 D8 L1	2004-05	.763	38	29	8	1	72	15									53	0
9	Man City	W29 D6 L3	2021-22	.763	38	29	6	3	99	26	86.90	25.39	713	253	25,882	23,218	68.4	320	42	1
10	Chelsea	W30 D3 L5	2016-17	.789	38	30	3	5	85	33	58.99	27.83	580	204	20,125	16,880	55.0	395	72	0
11	Liverpool	W28 D8 L2	2021-22	.737	38	28	8	2	94	26	87.55	33.10	729	257	23,308	19,817	63.3	363	50	1
12	Man City	W28 D7 L3	2023-24	.737	38	28	7	3	96	34	76.40	34.93	694	278	26,304	23,804	65.7	287	53	2
13	Chelsea	W29 D4 L5	2005-06	.763	38	29	4	5	72	22									63	5
14	Man United	W28 D7 L3	1999-00	.737	38	28	7	3	97	45									42	4
15	Man United	W28 D6 L4	2008-09	.737	38	28	6	4	68	24			715	230	19,439		58.8	433	67	5
16	Arsenal	W26 D12 L0	2003-04	.684	38	26	12	0	73	26									51	3
17	Arsenal	W28 D5 L5	2023-24	.737	38	28	5	5	91	29	74.94	28.11	656	227	21,151	18,391	58.5	391	64	2
18	Man City	W28 D5 L5	2022-23	.737	38	28	5	5	94	33	75.69	30.80	600	219	25,034	22,359	65.4	347	44	1
19	Man United	W28 D5 L5	2012-13	.737	38	28	5	5	86	43			561	213	19,696		56.2	378	57	1
20	Man City	W28 D5 L5	2011-12	.737	38	28	5	5	93	29			738	250	20,863		58.2	430	59	5
21	Man United	W28 D5 L5	2011-12	.737	38	28	5	5	89	33			646	243	20,193		57.7	389	51	1
22	Man United	W28 D5 L5	2006-07	.737	38	28	5	5	83	27			698	256	18,723		59.2	457	60	1
23	Chelsea	W26 D9 L3	2014-15	.684	38	26	9	3	73	32			564	210	20,269	16,859	55.7	382	75	4
24	Man United	W27 D6 L5	2007-08	.711	38	27	6	5	80	22			696	260	17,422		57.8	425	51	2
25	Arsenal	W26 D9 L3	2001-02	.684	38	26	9	3	79	36									71	6