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 13 of 2023-24.

With 32 points, they were 2 ahead of Juventus. Nothing was decided mathematically on this matchday.

Results

Date	Home	Score	Away
25 Nov	Salernitana	2–1	Lazio
25 Nov	Atalanta	1–2	Napoli
25 Nov	AC Milan	1–0	Fiorentina
26 Nov	Cagliari	1–1	Monza
26 Nov	Empoli	3–4	Sassuolo
26 Nov	Frosinone	2–1	Genoa
26 Nov	Roma	3–1	Udinese
26 Nov	Juventus	1–1	Inter
27 Nov	Verona	2–2	Lecce
27 Nov	Bologna	2–0	Torino

Table after matchday 13

Pos.	Team	Played	Goal diff.	Points	Max.	Title
1	Inter	13	+23	32	107	In it
2	Juventus	13	+12	30	105	In it
3	AC Milan	13	+7	26	101	In it
4	Napoli	13	+12	24	99	In it
5	Roma	13	+10	21	96	In it
6	Bologna	13	+5	21	96	In it
7	Atalanta	13	+8	20	95	In it
8	Fiorentina	13	+3	20	95	In it
9	Monza	13	+2	18	93	In it
10	Frosinone	13	-2	18	93	In it
11	Lazio	13	-1	17	92	In it
12	Torino	13	-6	16	91	In it
13	Lecce	13	-3	15	90	In it
14	Sassuolo	13	-4	15	90	In it
15	Genoa	13	-4	14	89	In it
16	Udinese	13	-9	11	86	In it
17	Cagliari	13	-12	10	85	In it
18	Empoli	13	-17	10	85	In it
19	Verona	13	-9	9	84	In it
20	Salernitana	13	-15	8	83	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 13 of 2023-24?: Inter led Serie A after matchday 13 of 2023-24. With 32 points, they were 2 ahead of Juventus.
What was decided on matchday 13 of the 2023-24 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.