Juan Martin Del Potro beats Radek Stepanek to reach second round at Indian Wells . Former world No. 1 In other women 's matches , Britain 's Elena Baltacha defeated Italian Roberta Vinci in three sets and Poland 's Urszula Radwanska prevailed against up-and-coming Serbian teenager Bojana Jovanovski in a final-set tiebreak . defeats Czech opponent 6-4 6-0 in opening match . American Donald Young wins first match at Master Series level to earn clash with Andy Murray . Dinara Safina into second round after former world No . 1 beats Arantxa Parra Santonja .
Juan Martin Del Potro beats Radek Stepanek to reach second round at Indian Wells . Former world No. 1 defeats Czech opponent 6-4 6-0 in opening match . American Donald Young wins first match at Master Series level to earn clash with Andy Murray . Dinara Safina into second round after former world No . 1 beats Arantxa Parra Santonja .