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Primera B Round 30 Saturday, 31 October 2026 Postponed
San Marcos de AricaHomeWLDW
v
San LuisAwayWWWWD
382933
San Marcos de Arica winDrawSan Luis win
Kick-off
Sat 31 Oct
Expected goals
2.21
1.15 : 1.06
Favourite
38%
San Marcos de Arica
Over 2.5 goals
38%
model chance
Both teams to score
45%
model chance
Prices compared
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awaiting lines

San Marcos de Arica vs San Luis betting odds by bookmaker

No bookmaker prices stored for this match yet.

No bookmaker lines are stored for this match yet. Prices appear once the feed carries them, usually within 48 hours of kick-off for the major competitions and the evening before for smaller ones.

71%

Our prediction

San Marcos de Arica or San Luis (no draw)
LeanExpected goals 1.15 : 1.06
1.41fair
Goal lineUnder 2.5 goals
62% chance1.61fair
BTTSNot both teams to score
56% chance1.80fair
Goal lineOver 1.5 goals
65% chance1.54fair
ScorelineCorrect score 1-1
13% chance7.46fair
Half-time / full-timeHalf-time San Marcos de Arica, full-time San Marcos de Arica
22% chance4.61fair
First halfFirst-half goal
63% chance1.59fair

San Marcos de Arica vs San Luis prediction

Our San Marcos de Arica vs San Luis prediction and pick

The San Marcos de Arica vs San Luis prediction is a coin flip by the numbers. Primera B on Saturday, 31 October 2026 gives San Marcos de Arica a 38% chance, San Luis 33% and the draw 29%, so the value sits in covering two results rather than one.

San Marcos de Arica are expected to score 1.15 and San Luis 1.06, so the total line is 2.21 goals; over 2.5 lands at 38% and BTTS at 45%.

The probabilities come from our match model, fitted to a Poisson pair of expected goals so every market on the page agrees with the others.

The pick for San Marcos de Arica vs San Luis is san Marcos de Arica or San Luis (no draw), a 71% chance. Bookmakers have not opened this line yet; the page shows the fair price until they do.

Over the last 4 matches San Marcos de Arica stand at 2 wins, 1 draws and 1 defeats; San Luis show 4 wins, 1 draws and 0 defeats in 5.

A low-scoring San Marcos de Arica vs San Luis? Under 2.5, BTTS and scoreline

Goal lines from the same grid: over 1.5 at 65%, over 2.5 at 38%, over 3.5 at 18%; under 2.5 is 62% and under 3.5 is 82%.

The goals pick is under 2.5 goals at 62%.

The chance of both teams scoring is 45%, built from San Marcos de Arica scoring in 68% of runs and San Luis in 65%; clean sheets come at 35% for San Marcos de Arica and 32% for San Luis.

Correct score: 1-1 leads at 13.4%, then 1-0 at 12.6% and 0-1 at 11.6%.

With the top scoreline at 13.4%, correct score stays a long-odds market for San Marcos de Arica vs San Luis; the goal lines above back the same view with steadier returns.

In the half-time / full-time market half-time San Marcos de Arica, full-time San Marcos de Arica leads at 22%. A goal before the break is rated 63%, since 45% of the expected goals fall in the first half.

Every market for San Marcos de Arica vs San Luis

Result, double chance, goal lines, BTTS, scorelines and half-time markets for San Marcos de Arica vs San Luis, all from one grid; best price where priced, fair price where not, green bar for the top line in each group.

Match result

San Marcos de Arica to win38%fair 2.65
Draw29%fair 3.44
San Luis to win33%fair 3.01
San Marcos de Arica, draw no bet53%fair 1.88
San Luis, draw no bet47%fair 2.14

Double chance

San Marcos de Arica or draw67%fair 1.49
San Luis or draw62%fair 1.61
San Marcos de Arica or San Luis (no draw)71%fair 1.41

Goals

Over 0.5 goals89%fair 1.12
Over 1.5 goals65%fair 1.54
Over 2.5 goals38%fair 2.64
Over 3.5 goals18%fair 5.46
Over 4.5 goals7%fair 13.51
Under 1.5 goals35%fair 2.84
Under 2.5 goals62%fair 1.61
Under 3.5 goals82%fair 1.22

BTTS

Both teams to score45%fair 2.25
Not both teams to score56%fair 1.80

Halves

First-half goal63%fair 1.59
Over 1.5 first-half goals26%fair 3.82
Second-half goal70%fair 1.42

Team goals

San Marcos de Arica to score68%fair 1.46
San Luis to score65%fair 1.53
San Marcos de Arica clean sheet35%fair 2.89
San Luis clean sheet32%fair 3.15
San Marcos de Arica to win to nil32%fair 3.13
San Luis to win to nil29%fair 3.44

Odd or even

Odd number of goals49%fair 2.02
Even number of goals51%fair 1.98

Most likely scores

1-113.4%
1-012.6%
0-111.6%
0-011%
2-17.7%
2-07.3%

Half-time / full-time

San Marcos de Arica / San Marcos de Arica21.7%
Draw / Draw19.4%
San Luis / San Luis18.8%
Draw / San Marcos de Arica14.4%
Draw / San Luis12.9%

Questions about San Marcos de Arica vs San Luis

San Marcos de Arica or San Luis: which side does the model back?

The model gives San Marcos de Arica the best chance at 38%, with the draw at 29%. Under 50% the favourite fails to win more often than it wins, which is why the double chance is the safer line here.

What scoreline is most likely in San Marcos de Arica vs San Luis?

1-1 is the most likely scoreline at 13.4%. The probability is spread across many results, so over 2.5 goals at 38% backs the same picture with less variance.

San Marcos de Arica vs San Luis both teams to score: yes or no?

The BTTS yes line is rated 45%. San Marcos de Arica find the net in 68% of simulated matches and San Luis in 65%.

When is San Marcos de Arica vs San Luis and where is the result shown?

Kick-off is 20:30 UTC on Saturday, 31 October 2026; the clock at the top of the page converts it to your time zone. The score updates on the page while the match is on and the tips are graded in the results record after full time.

Our pick, San Marcos de Arica v San LuisSan Marcos de Arica or San Luis (no draw), 71%
1.41fair