戦績

1. Origins, structure, and basic meaning

• Structure: 戦績（せんせき） combines 戦, competition or fighting, with 績, results.
• Basic usage: It appears when reviewing a player's or team's results in competition.

2. Common pitfalls and similar expressions

• The field of performance
  • 成績 also covers schoolwork or job performance, while 戦績 specifically points to competitive results.
• The period covered
  • 今季の戦績 covers the current season; 過去の戦績 groups past results. The preceding expression identifies the period covered by the record.