Table 1 Selected characteristics of the singles and doubles matches
Pre-play USGDegree minutesUSG vs end TC (r)Sweat loss (litres)Fluid lntake (litres)% ΔBM
Singles (n = 8)1.017 (0.003)2502 (191)0.87 (p = 0.005)1.5 (0.2)1.1 (0.2)−0.9 (0.2)
Doubles (n = 5)1.025 (0.002)3908 (461)0.14 (p = 0.82)1.9 (0.2)1.7 (0.1)−0.5 (0.3)
  • USG, urine specific gravity; degree minutes, mean WBGT (°C) x length of match (including warm-up) in min; end TC, core body temperature at end of play; r, Pearson correlation between USG and end TC; % ΔBM, percentage change in body mass (compared to pre-play body mass).