How is this calculated?

A team is counted as still in it when at least one set of results for the matches left would put it there, taking into account that its rivals also play each other. It is counted as sure only when no set of results can take it away. Teams level on points are treated cautiously while matches remain: level is enough to stay in, never enough to be sure, because goal difference and the other tie-breaks are only applied once the season is over. Points deductions are included as published in the league table.

Inter led Serie A after matchday 21 of 2025-26.

With 49 points, they were 3 ahead of AC Milan. Nothing was decided mathematically on this matchday.

Results

Date	Home	Score	Away
16 Jan	AC Pisa	1–1	Atalanta
17 Jan	Udinese	0–1	Inter
17 Jan	Napoli	1–0	Sassuolo
17 Jan	Cagliari	1–0	Juventus
18 Jan	Parma	0–0	Genoa
18 Jan	Bologna	1–2	Fiorentina
18 Jan	Torino	0–2	Roma
18 Jan	AC Milan	1–0	Lecce
19 Jan	Cremonese	0–0	Verona
19 Jan	Lazio	0–3	Como

Table after matchday 21

Pos.	Team	Played	Goal diff.	Points	Max.	Title
1	Inter	21	+27	49	100	In it
2	AC Milan	21	+18	46	97	In it
3	Napoli	21	+14	43	94	In it
4	Roma	21	+14	42	93	In it
5	Juventus	21	+15	39	90	In it
6	Como	21	+15	37	88	In it
7	Atalanta	21	+6	32	83	In it
8	Bologna	21	+6	30	81	In it
9	Lazio	21	+2	28	79	In it
10	Udinese	21	-11	26	77	In it
11	Sassuolo	21	-5	23	74	In it
12	Cremonese	21	-8	23	74	In it
13	Parma	21	-8	23	74	In it
14	Torino	21	-13	23	74	In it
15	Cagliari	21	-8	22	73	In it
16	Genoa	21	-7	20	71	In it
17	Fiorentina	21	-9	17	68	In it
18	Lecce	21	-16	17	68	In it
19	AC Pisa	21	-15	14	65	In it
20	Verona	21	-17	14	65	In it

Max.: the most points the team can still finish on.

Matchdays

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Quick answers

Who was top of Serie A after matchday 21 of 2025-26?: Inter led Serie A after matchday 21 of 2025-26. With 49 points, they were 3 ahead of AC Milan.
What was decided on matchday 21 of the 2025-26 Serie A?: Nothing was decided mathematically on this matchday.
How is this calculated?: A team is counted as still in it when at least one set of results for the matches left would put it there, taking into account that its rivals also play each other. It is counted as sure only when no set of results can take it away. Teams level on points are treated cautiously while matches remain: level is enough to stay in, never enough to be sure, because goal difference and the other tie-breaks are only applied once the season is over. Points deductions are included as published in the league table.