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.

Lens led Ligue 1 after matchday 18 of 2025-26.

With 43 points, they were 1 ahead of Paris Saint-Germain. Nothing was decided mathematically on this matchday.

Results

Date	Home	Score	Away
16 Jan	Monaco	1–3	Lorient
16 Jan	Paris Saint-Germain	3–0	Lille
17 Jan	Lens	1–0	Auxerre
17 Jan	Toulouse	5–1	Nice
17 Jan	Angers	2–5	Marseille
18 Jan	Strasbourg	2–1	FC Metz
18 Jan	Nantes	1–2	Paris FC
18 Jan	Rennes	1–1	Le Havre
18 Jan	Lyon	2–1	Brest

Table after matchday 18

Pos.	Team	Played	Goal diff.	Points	Max.	Title
1	Lens	18	+19	43	91	In it
2	Paris Saint-Germain	18	+25	42	90	In it
3	Marseille	18	+22	35	83	In it
4	Lyon	18	+9	33	81	In it
5	Lille	18	+8	32	80	In it
6	Rennes	18	+5	31	79	In it
7	Strasbourg	18	+6	27	75	In it
8	Toulouse	18	+6	26	74	In it
9	Monaco	18	-5	23	71	In it
10	Brest	18	-5	22	70	In it
11	Angers	18	-5	22	70	In it
12	Lorient	18	-7	22	70	In it
13	Paris FC	18	-8	19	67	In it
14	Le Havre	18	-8	19	67	In it
15	Nice	18	-14	18	66	In it
16	Nantes	18	-13	14	62	In it
17	Auxerre	18	-14	12	60	In it
18	FC Metz	18	-21	12	60	In it

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

Matchdays

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Quick answers

Who was top of Ligue 1 after matchday 18 of 2025-26?: Lens led Ligue 1 after matchday 18 of 2025-26. With 43 points, they were 1 ahead of Paris Saint-Germain.
What was decided on matchday 18 of the 2025-26 Ligue 1?: 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.