Staring at a whitewash in the three-match Test series, South African batsman Zubayr Hamza on Monday admitted they should have been better prepared mentally before embarking on what has been a nightmarish India tour.The 24-year-old got a chance in the Ranchi Test after an injury to Aiden Markram and the youngster impressed with an aggressive 62 in the first innings -- the only highlight for the visitors on a day they lost 16 wickets.