▁appearance ▁at ▁the ▁ 2 0 0 7 ▁Australian ▁Open ▁in ▁January ▁and ▁lost ▁to ▁nin th ▁seed ▁Mario ▁An č ić ▁in ▁the ▁first ▁round . ▁In ▁August ▁ 2 0 0 7 , ▁So eda ▁defeated ▁Edu ardo ▁Schw ank ▁to ▁win ▁his ▁first ▁Ch allen ger ▁title ▁in ▁M anta , ▁and ▁he ▁reached ▁the ▁Br is b ane ▁Ch allen ger ▁final ▁in ▁November . ▁▁ 2 0 0 8 – 1 0 ▁In ▁ 2 0 0 8 , ▁So eda ▁won ▁four ▁Ch allen ger ▁titles ▁at ▁Ky oto , ▁Bus an , ▁New ▁Del hi , ▁and ▁Toy ota . ▁He ▁also ▁won ▁the ▁most ▁singles ▁title ▁in ▁the ▁ATP ▁Ch allen ger ▁Series ▁( t ied ▁with ▁three ▁players ). ▁In ▁September , ▁he ▁beat ▁wild card ▁B ai ▁Yan ▁in ▁the ▁China ▁Open ▁first ▁round ▁to ▁record ▁his ▁first ▁ATP ▁main - draw ▁win . ▁He ▁lost ▁to ▁third ▁seed ▁Fernando ▁González ▁in ▁three ▁sets . ▁In ▁October ▁ 2 0 0 9 , ▁So eda ▁earned ▁his ▁sixth ▁Ch allen ger ▁title ▁in ▁Tib ur on ▁by ▁be ating ▁I li ja ▁Bo z ol j ac ▁in ▁the ▁final . ▁ ▁In ▁ 2 0 1 0 , ▁So eda ▁won ▁his ▁second ▁M anta ▁Ch allen ger ▁title ▁in ▁April . ▁In ▁the ▁grass - court ▁swing , ▁he ▁advanced ▁to ▁the ▁Not ting ham ▁Ch allen ger ▁final ▁before ▁losing ▁to ▁R ič ard as ▁Ber ank is . ▁He