agnieszka radwanska became the second high profile exit at the porsche tennis grand prix in stuttgart in as many days after losing out to sara errani italian clay specialist errani dumped out the polish seventh seed 7 6 (8/6) 6 4 in a tense match on wednesday that lasted two hours and eight minutes world no 9 radwanska's early exit follows just a day after ana ivanovic lost to caroline garcia for the third time this year world no 9 agnieszka radwanska is the latest top seed to bow out of the porsche grand prix in stuttgart  sara errani defeated poland's radwanska the 7 6 (8/6) 6 4 on wednesday in two hours and eight minutes  fifth seed ivanovic, the 2014 runner up, was beaten 7 6 (8/6) 6 4 by france's garcia on tuesday errani, the world no 15, will now take on kazakhstan's zarina diyas after the 21 year old rising star dismissed world no 19 sabine lisicki 6 0 6 0 germany's angelique kerber breezed past american alexa glatch 6 2 7 5 to set up a second round meeting with top seed maria sharapova radwanska follows ana ivanovic (right) out of the tournament after the fifth seed lost to caroline garcia  world no 15 errani will now face kazakhstan's zarina diyas, who defeated world no 19 sabine lisicki 6 0 6 0 
7 6 agnieszka radwanska stuttgart ana ivanovic zarina diyas sara errani seventh sabine lisicki fifth errani radwanska
sara errani beat seventh seed agnieszka radwanska 7 6 (8/6) 6 4  radwanska follows fifth seed ana ivanovic out of stuttgart event  errani to meet zarina diyas who beat sabine lisicki 6 0 6 0 