luckadjusted
World Cup Final · 2026

Matchday 1 · World Cup 2018 · June 19, 2018

Colombia 1–2 Japan: who deserved to win?

Japan beat Colombia 2–1, and the replays back it up: with the way both teams played, Japan win 8 of 10, 1 end level. Japan made the better chances: 2.3 expected goals to 0.8.

Full time

TeamGoalsxG
Colombia 1 0.81
Japan 2 2.32

June 19, 2018 · Mordovia Arena · Referee: Damir Skomina

Luck index +16 Japan about even · −16 Colombia

Each team’s own shots from this match, resampled into new matches 4,000 times, each a goal at its expected-goals chance: with the way both teams actually played, how often does this performance win? How the replay works

Ten replays. Colombia win 1, 1 ends level, Japan win 8.

  1. 1 COL 4 JPN 3
  2. 2 COL 0 JPN 0
  3. 3 COL 0 JPN 5
  4. 4 COL 0 JPN 4
  5. 5 COL 0 JPN 3
  6. 6 COL 0 JPN 2
  7. 7 COL 2 JPN 4
  8. 8 COL 0 JPN 2
  9. 9 COL 0 JPN 1
  10. 10 COL 1 JPN 2

The narrowest view of luck

The same match, with only the coin flips re-rolled: every shot kept where and how it was taken, its outcome redrawn at its chance (75% of finishing counts as luck), own goals at the league’s rate.

There is no betting line for this match, and no forecast from before kickoff: matches of past seasons are replayed, not forecast.

How 4,000 replays of the 90 minutes ended

Colombia win 9%, 15% end level, Japan win 76%. The line is what actually happened: Japan by 1.

Show as a table
After 90 minutes in the replaysShare of replays
Colombia by 3+0.5%
Colombia by 21.8%
Colombia by 16.6%
Draw14.7%
Japan by 122.6%
Japan by 222.3%
Japan by 3+31.6%

Where the luck was

FinishingShotsGoalsExpected goalsAbove expected
Colombia1010.81+0.19
Japan14 (1 pen)22.32−0.32

Own goals aren’t shots, so they’re counted on their own. A side above expected finished better than its chances, or met a goalkeeper on a bad day; 75% of the gap counts as luck (why that share).

The big chances, and every goal

MinuteChancexG
2'Yūya Ōsako didn’t score from a shot0.34
5'Shinji Kagawa scored from a penalty0.78
38'Juan Fernando Quintero Paniagua scored from a free kick0.01
72'Yūya Ōsako scored from a shot0.19

When it happened

Colombia’s chance of winning

Numbers mark the biggest luck moments, listed below.

Our in-game win probability: the score and the minutes left, with goals for the rest of the match at the league’s rates. A draw counts half, as in the replays. Shaded above the middle while Colombia was ahead in it, below while Japan was.
#WhenWhat happenedWin probability for
1 2' Yūya Ōsako didn’t score from a shotFinishing · 34% chance +8% COL
2 2' Shinji Kagawa didn’t score from a shotFinishing · 24% chance +6% COL
3 5' Shinji Kagawa scored from a penaltyFinishing · 78% chance +5% JPN
4 11' Radamel Falcao García Zárate didn’t score from a shotFinishing · 24% chance +6% JPN
5 33' Radamel Falcao García Zárate didn’t score from a shotFinishing · 14% chance +4% JPN
6 38' Juan Fernando Quintero Paniagua scored from a free kickFinishing · 1% chance +29% COL
7 58' Maya Yoshida didn’t score from a shotFinishing · 12% chance +4% COL
8 72' Yūya Ōsako scored from a shotFinishing · 19% chance +32% JPN

Adjust the assumptions

Think finishing is more skill than we do? Change how much of it counts as luck and the coin-flip replay of the 90 minutes reruns in your browser.

Only coin-flips re-rolled

Colombia 8% · draw 15% · Japan 76%

Final margin
Japan by 1
Luck in goals
0.4 for Colombia
Luck-adjusted margin
Japan by 1.4
Replay with same day's form
Colombia 9% · draw 15% · Japan 76% unchanged: why
How much of each is luck?

0% treats it as skill, 100% as pure luck. The tick is our fit.

What counts
Flip a play

Force the other outcome, in this match and in every replay: a goal becomes a save, a chance goes in.

About these numbers

Expected goals per shot from StatsBomb’s open data; the replays, the in-game win probability and the luck shares are our own models, fitted and tested on every shot of four full league seasons and four tournaments, these matches included (methodology and validation). Japan win 84% of replays (a draw counted as half).

All matchday 1 matches, 2018 · Colombia · Japan

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