Organisers
Virtual Toss Tool
A digital coin toss for remote or disputed tosses, using a source neither side can steer.
Enter the figures to see the answer.
Beyond the calculator
Run the whole competition in Crickslab. Fixtures, grounds, officials and the table all sit in one place and update themselves.
- Fixtures and standings generated for you
- Grounds, slots and officials in one calendar
- Every stat from every match, kept for good
How the number is worked out
The formula
One fair coin, heads or tails, from a cryptographically secure source- cryptographically secure
- The randomness comes from a source designed so that the outcome cannot be predicted or reproduced, unlike an ordinary random number generator.
How a virtual toss runs
The two captains agree who calls before the coin is flipped, exactly as at the ground.
- 1Name the sidesand who is calling
- 2The call goes in firstheads or tails, before the flip
- 3The coin landsfrom a secure random source
- 4The resultthe caller wins if the call matches, otherwise the other side does
The winning captain then elects to bat or bowl, as normal. Record it on the team sheet.
Rules and edge cases
The situations that change the answer, and the ones most calculators get wrong.
The call must be made before the flip
As at the ground. Entering the call after seeing the result is not a toss, and the sequence here enforces the order for that reason.
Both captains should watch it happen
A toss carried out by one side and reported to the other is not a toss either. For a remote toss, run it on a call with both captains present, or with an umpire operating it.
The result is not stored
Nothing is recorded, so take a screenshot or write it on the team sheet. If your competition requires the toss to be logged, log it there.
Where a real toss is possible, do that instead
This is for remote fixtures, disputed tosses and situations where no coin is available. A coin at the ground in front of both captains and the umpires remains the standard.
Frequently asked questions
The randomness comes from a cryptographically secure source, so the outcome cannot be predicted or steered by either side. It is at least as fair as a physical coin.
For captains and officials
The toss recorded with the match, not on a scrap of paper
Crickslab records the toss alongside the team sheets and the scorecard, so what was decided before the first ball is part of the match record rather than somebody's memory.
See match scoringLast reviewed 17 August 2026. Playing conditions change, so if your competition uses a different rule, its regulations take precedence over anything here.