concentrating or have to reduce effort in order to cope with heat. We investigate how temperature affects performance of … professional tennis players in outdoor singles matches in big tournaments. We find that performance significantly decreases with …

reduce effort in order to cope with heat. We investigate how temperature affects performance of male professional tennis …. We find that performance significantly decreases with ambient temperature. The magnitude of the temperature effect is age … players do. The effect of temperature on performance is smaller when there is more at stake. Our findings also suggest that …

reduce effort in order to cope with heat. We investigate how temperature affects performance of male professional tennis …. We find that performance significantly decreases with ambient temperature. The magnitude of the temperature effect is age … players do. The effect of temperature on performance is smaller when there is more at stake. Our findings also suggest that …