1. Tennis is a sport played between two individuals or teams using racquets to hit a ball over a net and into the opponent's court. The goal is to prevent the opponent from making a good return.
2. Tennis is played on a rectangular grass, clay, concrete or asphalt court with specific measurements. The modern court design originated in 1873.
3. A tennis match is determined by a best of three or five set format. The first player or team to win two sets in a three set match or three sets in a five set match wins the overall match.