Surface changes the comparison set

Serve and return performance can vary across hard, clay and grass courts. Overall ranking alone may hide the relevant match-up.

Indoor conditions, altitude and ball type can also affect play. Use current tournament context rather than generic labels.

Workload and fitness can move prices

Long recent matches, travel, medical timeouts and reported discomfort may influence expectations. Public evidence can still be incomplete.

A price move does not prove undisclosed injury. State what is verified and avoid diagnosing an athlete from market data.

Retirement settlement rules differ

Operators may settle or void markets differently after a retirement, walkover or incomplete set. The apparent price cannot be compared without the rule.

Readers should confirm the operator's published conditions before interpreting market differences.

Integrity claims require more than a chart

Suspicious betting is assessed by trained integrity bodies using multiple data sources. A public odds move alone is not evidence of a fixed tennis match.

Report credible concerns to the relevant regulator, operator or sports governing body rather than accusing players publicly.