Defender Warunee Phetwiset says Thailand will prove a hard nut to crack for three-time champions USA when the twoi meet in their women’s World Cup opener in the early hours of Wednesday in Reims.

Thailand face a tough assignment this weekend as they play host to powerful Lebanon in the final round of the Davis Cup Zone Asia/Oceania Group II at the Lawn Tennis Association of Thailand (LTAT) in Nonthaburi.